December 18, 2015

National Stock Exchange of India Ltd. Exchange Plaza, C-1, Block G, Bandra Kurla Complex, Bandra (E) Mumbai – 400 051

Dear Sirs,

Sub: Evacuation of 150 MW power to Kerala State Electricity Board Limited.

Vide letter Ref No. NSE/LIST/ 53690 dated 10th December 2015, NSE has permitted listing of the Company’s Non-Convertible Debentures (NCDs) on the Debt segment with effect from 10th December 2015.

The Company had entered into Long Term Power Purchase Agreements (PPAs) with Damodar Valley Corporation (DVC, for 300 MW), Kerala State Electricity Board Limited (KSEB for 150 MW) and Tata Power Trading Company Limited [300 MW each for Tata Power Delhi Distribution Limited (TPDDL) and West Bengal State Electricity Distribution Company Limited (WBSEDCL) respectively]. Long Term Open Access (LTOA) was earlier made available by Power Grid Corporation of India Limited (PGCIL) to DVC, TPDDL and WBSEDCL for its 900 MW capacity. The remaining LTOA for 150 MW to KSEB has now been allocated by PGCIL.

The Company has commenced evacuating 150 MW power to KSEB. With this allocation of LTOA, the entire 1,050 MW installed capacity of the Company has been tied up.

We request you to kindly take the same on your record.

Thanking you,

Yours faithfully, For Maithon Power Limited

Pradip Roy Chief Financial Officer & Company Secretary

MAITHON POWER LIMITED (A Joint Venture of Tata Power & DVC) Registered Office: Corporate Center, 34 Sant Tukaram Road, Carnac Bunder, Mumbai 400 009, Tel: 91 22 67171232 Works: Villàge Dambhui, P.O. Barbindia, P.S. Nirsa, District Dhanbad 828 205, Jharkhand Tel: +91 6540 278001/27 Fax: +91 6540 278040/ +91 8860075658 Corporate Identity Number (CIN): U74899MH2000PLC267297, Website Address: www.tatapower.com/mpl