Attachment No. 6 Gunkul Engineering Public Company Limited

Information Regarding Acquisition of Assets – Item 2 Information about Nature of Business and Summary of the Company's Business Outlook.

1. Business overview Gunkul Engineering Public Company Limited (“GUNKUL” or “the Company”) has established on August 5, 1982 by Mr. Gunkul Dhumrongpiyawut. The objective of the Company is to import and sell the electricity equipment to both public and private organizations and expanding to the renewable energy business. The Company has changed to the public company on August 10, 2009 and has been listed in the Stock Exchange of (SET) on October 15, 2010. There are 5 business lines as follows. 1. Business to produce, supply and sell equipment for electrical system in domestic and international The Company has operated in producing, supplying, and selling equipment for electrical system and renewable energy business covering electricity generation and transmission from power plant to end users. The products can be divided into 5 groups, which are protection and transmission system control equipment and distribution lines, transmission and distribution lines equipment, tools and equipment, street lighting equipment, and equipment for the system of renewable energy. All products are acceptable for both quality and standard including own production and importing from other countries like United States, Germany, Japan, and People's Republic of China.

2. Business to produce, supply and sell equipment for energy saving. 2.1 Produce, supply and sell LED Gunkul was established Gunkul LED Lighting Co., Ltd. with business support and LED market growth by using LED technology as a subsidiary produces and assembles the LED products with modern machine and technology by highly engineering competency and experienced engineers for ensuring to the customers that Gunkul LED can fulfill the accreditation and confidence of the customers with high standardized and quality products 2.2 Produce, supply and sell Solar Panels The Group plans to expand the business in production and distribution of solar panels. The target customers are government agencies, private sector and international clients.

3. Business of Generating and Distributing Power from Renewable Energy Sources The Group operates manufacturing and distribution of electricity from renewable energy for distribution to the public according to the government policy supporting the production and use of electricity from renewable energy. The production business and distribution of electricity from renewable energy by the group can be divided into three categories 3.1 Solar Farm Solar farm projects that the Company will sell electricity to Provincial Electricity Authority (PEA) are as follows.

Page 1 Attachment No. 6 Gunkul Engineering Public Company Limited

Capacity Project Site Commencement Adder Project (MW) (according to application) of Output Sale (baht/kWh) Gunkul Chubu Powergen Co., Ltd. (51% stake held by the Company) 3.0 Chondaen, January 2011 8 1 4.4 Amphoe Chondaen, Phetchabun province October 2011 8 2 8.0 Amphoe Sichula, Nakhon Nayok province June 2013 8 3 8.0 Amphoe Wichianburi, Phetchabun province March 2013 8 4 4.5 Amphoe Sam-ngam, March 2013 8 5 3.0 Amphoe Buengsamphan, Phetchabun province May 2013 8 G-Power Source Co., Ltd. (40% stake held by the Company) 6.5 Amphoe Banphotphisai, Nakhon Sawan March 2012 8 6 province 6.5 Amphoe Banphotphisai, Nakhon Sawan March 2012 8 7 province 8 6.5 Amphoe Sankhaburi, Chainat province March 2012 8 9 6.5 Amphoe Buengsamphan, Phetchabun province February 2013 8 /1 NK Power Sola Co., Ltd. (100% stake held by the Company) 10 1.0 Amphoe Bo-phloi, November 2013 6.5 Note: /1 The Company holds 9,799 ordinary shares and 2,940 preferred shares in NK Powersola Co., Ltd., the voting rights of which are 1 vote for 1 common share and 20 votes for 1 preferred share.

The above projects have got the privileges from Board of Investment (BOI) in corporate income tax exemption as follows. Tax Rate Year Tax Exemption Corporate Income Tax Payment 1st – 8th years 100% 0% 9th – 13th years 50% 15% 13th year onward 0% 30%

There is also a solar power plant projects in Japan, GK Sendai Okura Mega Solar Project is a 31.75 MW proposed to shareholders at the Extraordinary General Meeting of Shareholders No. 1/2015 held on August 19, 2015 for consideration and ratification and GK Kimitsu projects measures 33.5 MW to approve the transactions investing in such projects. Including Rang Ngern 11 projects total of 87 MW of electricity from solar energy to the PEA. It will be proposed to the Extraordinary General Meeting of Shareholders No. 1/2015 held on August 19, 2558, to consider the acquisition of shares in the Infinite Alternative Energy Co., Ltd in proportion 67 percent, which is a shareholder in the project.

Page 2 Attachment No. 6 Gunkul Engineering Public Company Limited

3.2 Wind Farm Wind farm projects that the Company will sell electricity to Provincial Electricity Authority (PEA) and Electricity Generating Authority of Thailand (EGAT) are as follows. Capacity Project Site Commencement Adder Project (MW) (according to application) of Output Sale (baht/kWh) Wind Energy Development Co., Ltd. (100% stake held by the Company) Amphoe Dankhunthot Nakhon 2.0 December 2015 3.50 Ratchasima province 1 Amphoe Dankhunthot Nakhon 8.0 December 2015 3.50 Ratchasima province Amphoe Dankhunthot Nakhon 2 50.0 April 2016 3.50 Ratchasima province Greenovation Power Co., Ltd. (100% stake held by the Company) Amphoe Dankhunthot Nakhon 3 60.0 December 2016 3.50 Ratchasima province Koran Wind Energy Co.,Ltd. (100% stake held by the Company) 4 50.0 Amphoe Dankhunthot Nakhon Quarter 1/2017 3.50 Ratchasima province

3.3 Solar PV Rooftop Solar PV Rooftop projects of the Company can be classified based on Electricity Authority as follows.

Solar PV Rooftop Projects with Provincial Electricity Authority Installed No. Applicant Type of Business Capacity (kWp) 1 Gunkul Solar Power 2 Co., Ltd. 538.56 100% owned by the Company 2 WHA Gunkul Green Solar Roof 17 Co., Ltd. 997.56 25.01% owned by the Company 3 Green Line Energy Co., Ltd. 997.56 Power plant construction Total 2,533.68

Solar PV Rooftop Projects with the Metropolitan Electricity Authority Installed No. Applicant Type of Business Capacity (kWp) 1 WHA Gunkul Green Solar Roof 1 Co., Ltd. 636.48 25.01% owned by the Company 2 WHA Gunkul Green Solar Roof 3 Co., Ltd. 832.32 25.01% owned by the Company 3 WHA Gunkul Green Solar Roof 6 Co., Ltd. 832.32 25.01% owned by the Company 4 Solar Society Co., Ltd. (Phranakhon Nuea 1) 499.20 100% owned by the Company Siam Gunkul Solar Energy Co., Ltd. 5 873.60 100% owned by the Company (Donmueang) 6 T S Power Energy Co., Ltd. 416.16 Power plant construction 7 T S Power Energy Co., Ltd. 997.56 Power plant construction 8 Gunkul Solar Roof 1 Co., Ltd. 241.92 100% owned by the Company 9 Gunkul Solar Roof 1 Co., Ltd. 22.40 100% owned by the Company 10 Mon RM Co., Ltd. 948.48 Power plant construction Total 6,300.44

Page 3 Attachment No. 6 Gunkul Engineering Public Company Limited

4. Business to construct alternative energy power plant The construction of power plant is developed from selling equipment used in power plants and doing electricity generation from renewable energy. The construction of power plant for associates, subsidiaries and other companies can be listed as follows. No. of Size No. Project Owner Status Projects (MW) 1 G-Power Source Co., Ltd. 4 26.0 Completed 2 Gunkul Chubu Powergen Co., Ltd. 5 30.9 Completed 3 NK Power Sola Co., Ltd. 1 1.0 Completed 4 C.K. and Son Energy (Thailand) Co., Ltd. 1 8.0 Completed 5 Solarta Co., Ltd. 1 8.0 Completed 6 Bangchak Solar Energy (Nakhon Ratchasima) Co., Ltd. 1 12.5 Completed 7 Bangchak Solar Energy (Chaiyaphum 1) Co., Ltd 1 12.5 Completed 8 Solar PV Rooftop projects 13 8.8 Completed Total 27 107.7

5. Business to operation and maintenance The company has been trusted by customers and rewarded with Operation and maintenance Agreement after construction of solar power plants. Currently, the Company has operation and maintenance agreement with 12 companies for 13 projects divided by the number of solar power projects 4 companies for 4 and Solar PV Rooftop 8 companies for 9 projects are as follows :

Solar Farm Project Owner Size (MW) 1. C.K. and Son Energy (Thailand) Co., Ltd. 8.0 2. G-Power Source Co., Ltd. 26.0 3. Gunkul Chubu Powergen Co., Ltd. 30.9 4. NK Power Sola Co., Ltd. 1.0 Total 65.9 Solar PV Rooftop Project Owner Size (MW) 1. WHA Gunkul Green Solar Roof 1 Co., Ltd. 636.48 2. WHA Gunkul Green Solar Roof 3 Co., Ltd. 832.32 3. WHA Gunkul Green Solar Roof 6 Co., Ltd. 832.32 4. WHA Gunkul Green Solar Roof 17 Co., Ltd. 997.56 5. Gunkul Solar Power 2 Co.,Ltd. 538.56 6. Solar Energy Society Co., Ltd. (Phranakhon Nuea 1) 499.20 7. Siam Gunkul Solar Energy Co., Ltd. (Donmueang) 873.60 8. Gunkul Solar Roof 1 Co., Ltd. 241.92 9. Gunkul Solar Roof 1 Co., Ltd. 22.40 Total 5,474.36

Page 4 Attachment No. 6 Gunkul Engineering Public Company Limited

Subsidiaries Company % Type of business 1. G.K. Assembly Co., Ltd. 99.99% It is operating business of manufacturing “Street Light” (GKA) and “Transmission & Distribution Line System Accessories which are Preforms, Cable Spacers and hardware. Those products are under brand of “GUNKUL”, “GK”, ZIMLUG, “PIGMAN”, “TOPWELD” and “ZIMTAP” which basically are distributed by Gunkul Engineering Public Company Limited and K.N.P Supply Co., Ltd. 2. G.K. Power Product 99.99% It is operating business of manufacturing “Safety Co., Ltd. (GKP) Equipment” and “Controlling Equipment” for Distribution & Low Voltage Line System. The products are under brand of “GUNKUL” and “GK”. Most of products are supplied to Gunkul Engineering Public Co., Ltd. and K.N.P Supply Co., Ltd. 3. K.N.P Supply Co., Ltd. 99.99% It is operating business of supply equipment for electrical (KNP) system for government sectors. The company has strong experience to manage biding. Major customers that the company has earned great trust are Metropolitan Electricity Authority (MEA) and Provincial Electricity Authority (PEA). 4. Wind Energy 99.99% Production and distribution of electricity from renewable Development Co., Ltd. energy to EGAT and PEA with capacity of 60 megawatt. (WED) 5. NK Power Solar Co., Ltd. 48.99% Production and distribution of electricity from renewable (NKP) energy to EGAT and PEA with capacity of 1 megawatt. 6. Gunkul Solar Roof 1 99.99% Production and distribution of electricity from Solar PV Co., Ltd. (GSR-1) Rooftop by generating to the PEA and MEA.

7. Gunkul Solar Roof 2 99.97% Production and distribution of electricity from Solar PV Co., Ltd.(GSR-2) Rooftop by generating to the PEA and MEA.

8. Solar Energy Society 99.97% Production and distribution of electricity from Solar PV Co., Ltd. (SES) Rooftop by generating to the PEA and MEA.

9. Bright Green Power 99.97% Production and distribution of electricity from Solar PV Co., Ltd. (BGP) Rooftop by generating to the PEA and MEA. 10. Gunkul Power 99.99% Construction of power plant and supplying equipment in Development Co., Ltd. electrical system, as well as other systems related to (GPD) power plant.

11. Gunkul Solar Power 1 99.99% Production and distribution of electricity from Solar PV Co., Ltd. (GSP-1) Rooftop by generating to the PEA and MEA.

12. Gunkul Solar Power 2 99.97% Production and distribution of electricity from Solar PV Co., Ltd. (GSP-2) Rooftop by generating to the PEA and MEA.

13. Gunkul LED Lighting 74.99% Production and distribution of LED light system. Co., Ltd. (GLED) 14. Gunkul Solar Community 99.97% Production and distribution of electricity from renewable Co., Ltd. (GSC) energy. 15. Greenovation Power 99.99% Production and distribution of electricity from renewable Co., Ltd. (GNP) energy to EGAT and PEA with capacity of 60 megawatt. Page 5 Attachment No. 6 Gunkul Engineering Public Company Limited

Company % Type of business

16. Siam Gunkul Solar Energy 99.97% Production and distribution of electricity from Solar PV Co., Ltd. (SGSE) Rooftop by generating to the PEA and MEA. 17 Gunkul and UCI Power 74.99% Production and distribution of electricity from renewable Co., Ltd. (GUCI) energy to MEA and PEA. 18. Korat Wind Energy Co., 99.98% Production and distribution of electricity from renewable Ltd. (KWE) energy to EGAT. 19. Gunkul International 100.00% Investment aboard (Mauritius) (GIM) 20. Gunkul Investment Held Investment aboard (Singapore) Pte. Ltd. (GIS) byGIM for 100.00% 21. Gunkul Myanmar Power Held Production of electricity from engine in Yangon with (Hlawga) Pte. Ltd. (GMP) byGIS for capacity of 25 megawatt. 100.00% 22. Sendai Okura Mega Solar Held Production and distribution of electricity from Solar to Godo Kaisha byGIM for the PEA and MEA to Tohoku Electric Power Co., Inc. (“GK Sendai”) 100.00% (“Tohoku Electric”) with capacity of 31.75 megawatt. 23. Gunkul Myanmar Central Held Production for Gas Engine Power 1 Co., Ltd. byGMP (GKMCP1) for 51.00%

Associates Joint Company % Type of business investment 1. Siam Wind Energy 40.00% Ordinary Production and distribution of electricity Co., Ltd. (SWE) person from renewable energy to government agencies. 2. G-Power Source 40.00% Electricity Production and distribution of electricity Co., Ltd. (GPS) Generating from solar energy to EGAT and PEA with Public capacity of 26 megawatt. Company Limited 3. Gunkul Chubu Powergen 51.00% Chubu Electric Production and distribution of electricity Co., Ltd. (GCPG) * Powergen from solar energy to EGAT and PEA with Co., Ltd. capacity of 30.9 megawatt.

4. WHA Gunkul Solar Roof 1 25.01% WHA Production and distribution of electricity Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

5. WHA Gunkul Solar Roof 2 25.01% WHA Production and distribution of electricity Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

6. WHA Gunkul Solar Roof 3 25.01% WHA Production and distribution of electricity Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

Page 6 Attachment No. 6 Gunkul Engineering Public Company Limited

Joint Company % Type of business investment

7. WHA Gunkul Solar Roof 4 25.01% WHA Production and distribution of electricity Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

8. WHA Gunkul Solar Roof 5 25.01% WHA Production and distribution of electricity Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

9. WHA Gunkul Solar Roof 6 25.01% WHA Production and distribution of electricity Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

10. WHA Gunkul Solar Roof 8 25.01% WHA Production and distribution of electricity Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

11. WHA Gunkul Solar Roof 9 25.01% WHA Production and distribution of electricity Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

12. WHA Gunkul Solar Roof 25.01% WHA Production and distribution of electricity 10 Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

13. WHA Gunkul Solar Roof 25.01% WHA Production and distribution of electricity 16 Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

14. WHA Gunkul Solar Roof 25.01% WHA Production and distribution of electricity 17 Co., Ltd. Corporation from Solar PV Rooftop by generating to the Co., Ltd. PEA and MEA.

Note: * Gunkul Chubu Powergen Co., Ltd is a joint venture company which has the joint control.

Page 7 Attachment No. 6 Gunkul Engineering Public Company Limited

2. List of Board of Director, Management and Shareholders

1) Board of Directors th As of 30 June 2015, board of directors comprised of 9 persons as follows; Name Position 1. Mr.Gunkul Dhumrongpiyawut Chairman of the Board 2. Dr. Chit Laowattana Independent Directors Chairman of the Audit Committee 3. Pol. Maj. Gen. Visit Sukarasep Independent Directors Chairman of the Nomination and Remuneration Committee Member of the Audit Committee 4. Mr. Chongrak Rarueysong Independent Directors Member of the Audit Committee Chairman of the Good Corporate Governance 5. Ms. Sopacha Dhumrongpiyawut Director Chief Executive Officer Member of the Risk Management Committee 6. Mr. Somboon Aueatchasai Director Executive Director Managing Director 7. Ms. Naruechon Dhumrongpiyawut Director Executive Director 8. Mr. Chaloempon Sricharoen Director Executive Director 9. Mrs. Areewan Chaloemdan Director Executive Director

2) Executive Directors th As of 30 June 2015, there were 5 executive directors as follows. Name Position 1. Ms. Sopacha Dhumrongpiyawut Chief Executive Officer 2. Mr. Somboon Aueatchasai Executive Director 3 Ms. Naruechon Dhumrongpiyawut Executive Director 4. Mr. Chaloempon Sricharoen Executive Director 5. Mrs. Areewan Chaloemdan Executive Director

Page 8 Attachment No. 6 Gunkul Engineering Public Company Limited

3) Executives th As of 30 June 2015, there were 16 executives as follows. Name Position 1. Ms. Sopacha Dhumrongpiyawut Chief Executive Officer 2. Mr. Somboon Aueatchasai Managing Director 3. Mr. Phongsakorn Damnoen Assistant Managing Director, Business Development 4. Mrs. Areewan Roonpraphan Senior Vice President, Factory 5. Mrs. Somluk Kanunghet Senior Vice President, Executive Office 6. Mr. Worathep Luengsirapornchai Senior Vice President, Internal Audit 7. Mr. Thamrong Chankraithong Senior Vice President, Sales and Marketing 8. Mr. Thitipong Techaratanayuenyong Senior Vice President, Business Support and CFO 9. Ms. Naruechon Dhumrongpiyawut Senior Vice President, Strategic Planning & Investment 10. Mr. Janpon Ngamaroonchot Vice President, Strategic Planning & Investment 11. Mr. Phudis Traivilassakul Vice President, Logistics 12. Mr. Chaloempon Srichareon Vice President, Sales and Marketing 13. Mrs. Nattawan Wongchan Vice President, Business Support and CFO 14. Ms. Suttirat Tangnorakul Acting Vice President, Accounting Department 15. Ms. Chantra Jongjamreesithong Company Secretary and Vice President, the Office of Managing Director and Investor Relationship

4) List of Shareholders As of 30th June 2015, the Company had registered capital of THB 1,099,990,265.00 and had paid-up capital of 1,099,924,471.00 baht divided into 1,099,924,471 shares at par value of THB 1.00. The list of 10 largest shareholders as of 24th April 2015 that is a book-closing day is as follows. No, Shareholder No. of Share % 1 Gunkul Group Company Limited 527,694,200 59.97 2 UOB KAY HIAN (HONG KONG) LIMITED - Client Account 40,000,400 4.55 3 Miss Nanpapatr Piyapootinun 20,110,400 2.29 4 CORE PACIFIC-YAMAICHI INTERNATIONAL (H.K.) LIMITED 20,000,200 2.27 5 Mr. KanapatJirakasempong 18,000,100 2.05 6 Thai NVDR Co., Ltd. 15,172,193 1.72 7 HSBC (SINGAPORE) NOMINEES PTE LTD 8,064,000 0.92 8 Thai Value Focus Equity-Dividend Fund 6,978,300 0.79 9 Muang Thai Life Assurance Public Company Limited 5,600,000 0.64 10 Mr. Chatumongol Sonakul 5,440,000 0.62 Total 667,059,793 75.82 Note: Gunkul Group Co., Ltd. is the Holding Company. As of December 31, 2014, the registered capital is 110,000,000.00 baht. The major shareholder is Dhumrongpiyawut Family Group who hold 99.64% of its registered capital.

Page 9 Attachment No. 6 Gunkul Engineering Public Company Limited

No. of % Name Share 1. Dhumrongpiyawut Family Group 1,096,000 99.64 1.1Mr.Gunkul Dhumrongpiyawut 465,000 42.28 1.2Miss Naruechon Dhumrongpiyawut 211,000 19.18 1.4Miss Sopacha Dhumrongpiyawut 210,000 19.09 1.5Master Arpakorn Dhumrongpiyawut 210,000 19.09 2. Mr.Chaloempon Sricharoen 3,000 0.27 3. Miss Nanpapatr Piyapootinun 1,000 0.09 Total 1,100,000 100.00

3 .Performance and Financial Position

Statement of Financial Position March 31, 2015 December 31, 2014 December 31, 2013 December 31, 2012 (Consolidated Financial Statement) MB % MB % MB % MB % Cash and cash equivalent 2,002.80 26.36% 1,508.78 20.78% 224.89 4.91% 581.93 8.09% Trade and other receivable -Net 498.48 6.56% 718.89 9.90% 496.6 10.84% 1,252.75 17.41% Unbilled receivables 0.00 0.00% 41.37 0.57% 35.25 0.77% 17.06 0.24% Deposit for purchase of goods 11.34 0.15% 9.46 0.13% 15.11 0.33% 11.12 0.15% Advance payments to subcontractor 0.00 0.00% - 0.00% 13.43 0.29% 146.96 2.04% Revenue Department receivable 7.99 0.11% 17.53 0.24% 16.75 0.37% 37.71 0.52% Inventories 319.71 4.21% 304.01 4.19% 350.84 7.66% 412.59 5.73% Construction in progress 18.21 0.24% 4.84 0.07% 96.67 2.11% 55.82 0.78% Short-term loan to subsidiary - 0.00% - 0.00% - 0.00% 29.25 0.41% Other current assets 0.60 0.01% 0.6 0.01% 73.1 1.60% - 0.00% Total Current Assets 2,859.13 37.62% 2,605.48 35.89% 1,322.64 28.88% 2,545.19 35.36% Fixed deposits and bill of exchange 47.58 0.63% 47.58 0.66% 61.94 1.35% 605.17 8.41% pledged as collateral Investments in associates 326.80 4.30% 350.63 4.83% 340.5 7.44% 321.41 4.47% Investments in jointly controlled 868.59 11.43% 822.42 11.33% 867.07 18.93% - 0.00% entities Machinery for investment in advance 268.34 3.53% 268.35 3.70% 268.34 5.86% - 0.00% Investment property - 0.00% - 0.00% - 0.00% 31.19 0.43% Property, plant and equipment 928.62 12.22% 913.20 12.58% 657.67 14.36% 2,748.42 38.19% Intangible assets 2,261.68 29.76% 2,214.18 30.50% 967.42 21.12% 867.18 12.05% Retention receivables 3.91 0.05% 2.08 0.03% 73.1 1.60% - 0.00% Other non-current assets 34.57 0.45% 35.28 0.49% 20.93 0.46% 78.78 1.09% Total Non-Current Assets 4,740.09 62.38% 4,653.72 64.11% 3,256.97 71.12% 4,652.15 64.64% Total Assets 7,599.22 100.00% 7,259.20 100.00% 4,579.61 100.00% 7,197.34 100.00%

Page 10 Attachment No. 6 Gunkul Engineering Public Company Limited

Statement of Financial Position March 31, 2015 December 31, 2014 December 31, 2013 December 31, 2012 (Consolidated Financial Statement) MB % MB % MB % MB % Bank overdrafts and short-term loans from 2,454.99 32.31% 2,109.95 29.07% 241.61 5.28% 1,686.25 23.43% financial institutions Trade and other payable 328.67 4.33% 363.31 5.00% 269.93 5.89% 877.79 12.20% Advances received from employers and - 0.00% - 0.00% 70.05 1.53% 3.45 0.05% construction revenue received in advance Payable for purchase shares of subsidiary 709.21 9.33% 713.44 9.83% 199.44 4.35% 92.36 1.28% Payable for purchase of assets - 0.00% 0.74 0.01% 1.55 0.03% 246.09 3.42% Payable to Revenue Department - 0.00% 8.13 0.11% 9.16 0.20% 10.84 0.15% Accrued income tax payable 34.53 0.45% 34.88 0.48% 9.87 0.22% 114.11 1.59% Current portion of obligation under finance 10.11 0.13% 8.68 0.12% 7.17 0.16% 4.79 0.07% lease Current portion of long-term loans 85.1 1.12% 156.5 2.16% 156.5 3.42% 122.17 1.70% Provision for sales return - 0.00% - 0.00% - 0.00% 19.41 0.27% Provision for warranty - 0.00% - 0.00% - 0.00% - 0.00% Short-term loans from related parties 13.73 0.18% 4.93 0.07% - 0.00% - 0.00% Retention payables 33.27 0.44% 32.32 0.45% 103.26 2.25% 3.59 0.05% Total Current Liabilities - 0.00% - 0.00% - 0.00% - 0.00% Total Current Liabilities 3,669.61 48.29% 3,432.88 47.29% 1,068.54 23.33% 3,180.85 44.20% Payable for purchase shares of subsidiary - 0.00% - 0.00% - 0.00% 172.5 2.40% Obligation under finance lease 21.93 0.29% 19.58 0.27% 21.8 0.48% 16.1 0.22% Long-term loans from financial institutions 16.58 0.22% - 0.00% 156.5 3.42% 1,363.69 18.95% Provision for warranty - 0.00% - 0.00% - 0.00% - 0.00% Employee benefit obligation 13.76 0.18% 14.40 0.20% 12.56 0.27% 7.29 0.10% Retention payables 24.1 0.32% 19.73 0.27% 23.34 0.51% 69.28 0.96% Other Non-Current Liabilities 435.97 5.74% 412.91 5.69% 176.14 3.85% 174.19 2.42% Total Non-Current Liabilities 512.34 6.74% 466.62 6.43% 390.34 8.52% 1,803.05 25.05% Total Liabilities 4,181.95 55.03% 3,899.50 53.72% 1,458.88 31.86% 4,983.90 69.25%

Statement of Financial Position March 31, 2015 December 31, 2014 December 31, 2013 December 31, 2012 (Consolidated Financial Statement) MB % MB % MB % MB % Authorized share capital 879.99 11.58% 879.99 12.12% 659.99 14.41% 440 6.11% Issued and paid up share capital 879.99 11.58% 879.99 12.12% 659.99 14.41% 440 6.11% Premium on share capital 425.12 5.59% 425.12 5.86% 425.12 9.28% 425.12 5.91% Surplus from reorganization under 93.62 1.23% 93.62 1.29% 93.62 2.04% 93.62 1.30% common control Retained earnings 2,010.92 26.46% 1,958.39 26.98% 1,669.95 36.46% 1,033.29 14.36% Non-controlling interests of the subsidiary 7.61 0.10% 2.57 0.04% 272.04 5.94% 221.41 3.08% Total shareholders' equity 3,417.27 44.97% 3,359.70 46.28% 3,120.73 68.14% 2,213.44 30.75% Total Liabilities and shareholders' equity 7,599.22 100.00% 7,259.20 100.00% 4,579.61 100.00% 7,197.34 100.00%

Page 11 Attachment No. 6 Gunkul Engineering Public Company Limited

March 31, 2015 December 31, 2014 December 31, 2013 December 31, 2012 Statement of Comprehensive Income MB % MB % MB % MB % Revenues from sale of goods and rendering 212.94 85.08% 2,976.56 97.22% 2,044.60 71.60% 4,305.52 90.38% of services Other income 37.34 14.92% 84.99 2.78% 811.12 28.40% 458.36 9.62% Total Revenue 250.28 100.00% 3,061.55 100.00% 2,855.72 100.00% 4,763.88 100.00% Cost of sale of goods and rendering of 156.37 62.48% 2,253.46 73.61% 1,586.26 55.55% 3,235.96 67.93% services Selling and administrative expenses 76.73 30.66% 336.74 11.00% 283.54 9.93% 339.98 7.14% Finance cost 23.32 9.32% 57.84 1.89% 47.38 1.66% 103.77 2.18% Management benefit expense 13.77 5.50% 58.39 1.91% 46.43 1.63% 37.97 0.80% Share of loss from investments in associates 69.95 27.95% 269.28 8.80% 150.01 5.25% (48.67) 1.02% Income tax 2.41 0.96% 83.08 2.71% 174.3 6.10% 229.19 4.81% Total comprehensive income for the period 47.63 19.03% 541.13 17.68% 867.81 30.39% 768.34 16.16% Equity holders of the Company 48.22 19.27% 545.27 17.81% 882.9 30.92% 778.29 16.34% Non-controlling interests of the subsidiaries -0.58 -0.23% -3.95 -0.13% -15.08 -0.53% -9.95 -0.21% Number of weighted ordinary shares (million 879.99 799.99 28.74% 659.99 23.11% 440 9.24% : share)

Consolidated financial statement Statement of Cash Flow March 31, December December December (Unit: Million Baht) 2015 31, 2014 31, 2013 31, 2012 Net Cash Provided (used) from Operating Activities 222.79 313.76 236.91 1,820.09 Net Cash Provided (used) from Investing Activities -36.33 -792.50 44.52 -1,354.43 Net Cash Provided (used) from Financing Activities 307.56 1,762.62 -638.48 -198.7 Net Increase (decrease) in Cash and Cash Equivalent 494.02 1,283.89 -357.04 266.96 Cash and Cash Equivalent at the Beginning of the Year 1,508.78 224.89 581.93 314.97 Cash and Cash Equivalent at the End of the Year 2,002.80 1,508.78 224.89 581.93

Consolidated financial statement Financial Ratio March 31, 2014 2013 2012 2015 LiquidityRatio Liquidity ratio (times) 0.78 0.76 1.24 0.8 Quick Liquidity Ratio (times) 0.69 0.67 0.91 0.65 Cash Flow Liquidity Ratio (times) 0.55 0.44 0.21 0.18 Trade Accounts Receivable Turnover (times) 0.34 4.90 2.34 4.49 Average Collection Period (days) 1,073 74.52 156.15 81.21 Inventory Turnover (times) 0.49 7.41 4.52 6.46 Average Sales Period (days) 744.9 49.24 80.73 56.47 Payable Turnover (times) 0.46 7.37 2.76 4.78 Average Payment Period (days) 793.48 49.64 132.04 76.3 Cash Cycle (days) 1,024.95 74.23 104.83 61.38 ProfitabilityRatio Gross Profit Margin (%) 0.27 24.29 22.42 24.84 Operating Profit Margin (%) -9.35 11.93 43.63 23.33 Net Profit Margin (%) 22.37 18.19 42.44 16.36 Return on Equity (%) 1.39 16.11 27.81 36.35 Efficiency Ratio Return on Assets (%) 0.63 7.46 18.95 11.2 Return on Fixed Assets (%) 5.13 59.28 131.95 27.84

Page 12 Attachment No. 6 Gunkul Engineering Public Company Limited

Consolidated financial statement Financial Ratio March 31, 2014 2013 2012 2015 Asset Turnover (times) 0.03 0.41 0.45 1.72 Financial Ratio Debt to Equity Ratio (times) 1.22 1.16 0.47 2.24 Interest Coverage Ratio (times) 1.15 9.80 20.99 8.71 Dividend Payout (%) 246.91 45.19 0.25 0 Other Ratios Earnings Per Share (baht) 0.05 0.62 1.31 1.77 Basic Earnings Per Share (baht) 0.05 0.62 1.64 1.77 Book Value Per Share (baht) 3.88 3.82 4.73 4.87

Overview of financial performance Performance Net Profit (Unit: Million baht) Consolidated Financial Statement March 31, March 31, 2015 2014 Difference Percentage

Total comprehensive income Decrease by 51.95 204.57 152.62 74.61%

Based on the consolidated financial statement As of December 31, 2014, the Company and subsidiaries have total comprehensive income of 541.13 million baht. Compared to the performance in 2013 with total comprehensive income of 867.81 million baht, the comprehensive income has decreased by 326.68 million baht. However, the performance in 2013 has included Gain on disposal of investments for 775.04 million baht in its comprehensive income. Therefore, in order to consider only the normal operation of the Company and subsidiaries, the gain on disposal of investments should be excluded. Therefore, total comprehensive income excluding gain on disposal of investments in 2014 is 775.04 million baht whereas total comprehensive income excluding gain on disposal of investment in 2013 is 92.77 million baht. It means the profit of the Company and subsidiaries has increased by 483.30%. For the the company’s performance during the 1st quarter of 2015, net profit declined by 74.61 from the same quarter in 2014, from 204.57 million baht to 51.95 million baht, due to the decline in revenue of the construction fell by about 90 percent as a result of the announcement about the postponement of the new PPAs of the Solar Farm projects by the government. Revenue (Unit:Million baht) Consolidated Financial March 31, March 31, Difference Percentage Statement 2015 2014 Revenue from construction 63.65 781.93 -718.28 Decrease by91.86% Revenue from sales 129.37 330.59 -201.22 Decrease by60.87% Revenue from service 16.63 13.41 3.22 Increased by24.0% Revenue from Adder 3.28 3.45 -0.17 Decrease by4.93% Total 212.93 1,129.38 -916.45 Decrease by81.15% Other Income 37.34 2.30 35.04 Increased by1,523.48% Total revenue 250.28 1,135.58 -885.30 Decrease by77.96% /1 Note: In 2013, gain on disposal of investment is 775.04 million baht

Page 13 Attachment No. 6 Gunkul Engineering Public Company Limited

The major revenue of the Company can be categorized into 4 groups, which are revenue from construction services, revenue from sales, revenue from service, and revenue from Adder. The proportion of each group is45.99%,48.99%,1.81%,and 0.43%of total revenue respectively. Total revenue is 2014 is 3,061.55 million baht that has increased from 2013 by 7.21%. Total revenue consists of revenue from operation for 2,976.57 million baht and other incomes for 84.99 million baht. The highest growth in revenue is from revenue from construction services that has increase by 106.63%. The revenue from sales has increased from 2013 by 15.17% because the Company has sold product to Myanmar for 473 million baht. Moreover, the revenue from services has increased from 2013 by 33.00% from more customers in operating and maintenance of solar power plants. However, the revenue from Adders has decreased by 30.78% because the Company has disposed some investment in subsidiary making lower revenue from subsidiaries. The share of profit from investments in associatesand subsidiaries as of December 31, 2014 has increased from previous year by 119.27 million baht or 79.51% because the construction of all solar power plants has finished. After they have started operation commercially, the Company has received share of profit from investments in associates and subsidiaries for 26.16 megawatt (The solar power plant has received the rate of Adder for 8 baht for 10 years.). For the ended of 31st March 2015 period, total revenues decreased by 77.96 percent that decline in almost all the type of revenue only revenues from providing services and other income that increased from the previous year due to the company has signed much more O&M service agreements of solar power plants. Revenue from EPC Constructor had decreased in amount of THB 718.27 million or representing 91.86% decreasing. Revenues from trading had decreased in amount of THB 201.22 million or representing 60.87% decreasing, due to some bidding trading project of SOE had postponed to the 2nd quarter this year. Revenue from Adder had decreased in amount of THB 0.17 million or representing 4.93% decreasing.

March 31, 2015 2014 2013 2014 Revenue structure MB % MB % MB % 1. Revenue from manufacturing, procurementand sales of equipment for electrical systemand renewable power system 1.1 Procurement for sale 130.74 52.24 1,148.52 37.51 647.52 22.68 1,099.66 23.08 1.2 Manufacturing for sale 61.95 24.75 351.49 11.48 654.88 22.93 706.24 14.82 Total 192.69 76.99 1,500.01 48.99 1,302.40 45.61 1,805.90 37.91 2. Revenue from generation and sale of powerfrom renewable energy - Generation and sale of 3.62 1.45 13.30 0.43 19.21 0.67 168.81 3.54 solar-based power 3. Revenue from construction or renewable - - 1,407.93 45.99 681.39 23.86 2,318.06 48.66 energy power plant 4. Revenue from Services 16.64 6.64 55.32 1.81 41.59 1.46 - - Other Income 37.34 14.92 84.99 2.78 811.13 28.40 471.11 9.89 Total Revenue 250.28 100 3,061.55 100.00 2,855.72 100.00 4,763.88 100.00

Page 14 Attachment No. 6 Gunkul Engineering Public Company Limited

Cost and Expenses (Unit: Million baht) Consolidated Financial March 31, March 31, Statement 2015 2014 Difference Percentage

Cost in construction 66.17 635.39 -569.22 Decreased by 89.59% Cost of sales 80.29 232.23 -151.94 Decreased by 65.43% Cost of services 9.91 5.64 4.27 Increased by 75.71% Selling expenses 3.53 6.68 -3.15 Decreased by 47.16% Administrative expenses 73.20 57.52 15.68 Increased by 27.26% Management benefit 13.77 8.17 5.6 Increased by 68.54% expense Financing cost 23.32 10.37 12.95 Increased by 124.88%

The Company has total costs in 2014 at 2,253.46 million baht. The highest cost is from the cost of construction services that has increased from previous year by 83.88% according to an increase in revenue. Both selling expenses and administrative expenses have also increased according to an increase in revenue. Management benefit expense has increased by 11.96 million baht or 25.76% from an increase in the number of executives of the Company from 16 persons to 19 persons in order to support the business expansion. The finance cost in 2014 has increased from 2013 by 10.46 million baht or 22.08% because of more short-term revolving loans from financial institutions in order to support the business expansion and investment in new companies. For the ended of 31st March 2015 period compared to the same period last year, costs have increased and decreased in same way with revenue. The cost in construction and cost of sales decreased by 569.22 million baht and 151.94 million baht or 89.59 per cent and 65.43, respectively. For the financial costs increased significantly by 12.95 million baht, an increase of 124.88 percent due to there are much more activities of funding by using of the financial instrument via debt capital market and money market for the new 60MW of Wind farm project.

Statement of Financial Position Total Assets Total assets of the Company at the end of 2014 based on the consolidated financial statement equals 7,259.20 million baht. Total current assets and total non-current assets have increased from 2013 by 96.99% and 42.88% respectively. The increase in total current assets in 2014 is mainly from cash and cash equivalents. The cash and cash equivalents has increased from 224.86 million baht in 2013 to 1,508.78 million baht in 2014 or has increased by 570.89%. Based on the statement of cash flow, the highest cash inflow is from overdraft and revolving loan from financial institution and the next one is from accounts receivable and other receivables. Accounts receivable and other receivables have increased by 118.77% because they vary according to sale and construction of power plants. For non-current assets, the highest change is from an increase in intangible assets that is the rights in using transmission line. The intangible assets have increased by 1,246.76 million baht or 128.87% from last year. As of March 31, 2015 the Company had current assets increased from year ended 2014 by 253.65 million baht, an increase in cash and cash equivalents by 500 million baht and a list of trade accounts receivable decreased by 200 million baht. For non-current assets rose only slightly.

Page 15 Attachment No. 6 Gunkul Engineering Public Company Limited

Total Liabilities Total liabilities of the Company at the end of 2014 based on the consolidated financial statement equals 3,899.50 million baht, which has increased from 2013 by 167.29%. Total current liabilities and total non-current liabilities have increased from 2013 by 221.27% and 167.29% respectively. Most of current liabilities of the Company are in form of short-term loan from financial institutions, trade accounts payable and other payables, and payable for purchase of subsidiaries. The Company has taken more short-term loan from financial institutions for working capital and investment more in associates, as well as investment in new companies like power plant business and selling goods. Total liabilities increased by Baht 282.45 million, an increase in current liabilities 236.73 million baht and Non-current liabilities 45.72 million baht. The most increasing is short-term loans from financial institutions and short-term loans from related parties which increased by 345.04 million baht and 8.8 million baht, respectively. This is a loan to be used to conduct company business.

Shareholders’ Equity Total shareholders’ equity of the Company at the end of 2014 based on the consolidated financial statement equals 3,359.70 million baht, which has increased from 3120.73 million baht in 2013 by 7.66%. This increase is from an increase in registered capital from 659.99 million baht to 879.99 million baht. This increase is from the Company’s resolution to increase its capital for 220.00 million baht in form of 220 million ordinary shares with the par value of 1 baht per share in order to prepare for dividend payment. Moreover, the Company has not decided about the allocation of its comprehensive income in 2013 that is 266.63 million baht. The shareholders in the first quarter of 2015 had increase by 57.57 million baht. This increase is from retain earning

3. Opinion of the Board Directors regarding the adequacy of working capital. The Board of Directors has the opinion that, the funding for four projects, presented to the shareholders for consideration at the Extraordinary General Meeting of Shareholders No. 1/2015 held on 19th August 2015 to be sufficient for all project of the acquisition of assets and will have no impact on the level of working capital and the operation of the company including no impact on the company's key financial ratios.

4. Litigation or claims that are the essence of which is pending. - None –

5. Summary of significant contracts during the past two years. As all contracts that the Company has entered into a transaction, to follow as the normal business operations of the company and under the business operation with outsiders.

6. Responsibilities of the Board of Directors with the information contained in the documents sent to shareholders. The Board of Directors is responsible for the information stated in this announcement and documents that sent to shareholders and certifies that the information in this announcement is accurate and complete, not false and not make another mistake or lack of information should in essence.

Page 16