Kern River Gas Transmission Company 2021 Customer Meetings

Muddy Creek Compressor Station Near Evanston, Wyoming 1 BHE Acquisition of Dominion Energy Gas Transportation and Storage Business

■ Eastern asset acquisition closed Q4 2020 ‒ Carolina Gas Transmission ‒ Eastern Gas Transportation & Storage ‒ Iroquois Gas Transmission System (50% interest) ‒ Cove Point LNG (25% interest)

2 BHE Pipeline Group Post Acquisition

3 Berkshire Hathaway Energy Exceptional Businesses and Assets

• 12 million customers worldwide • BHE is the top-rated service provider within the industry • Kern River was ranked #1 in the regional pipeline group for the eleventh straight year and #1 or #2 out of all interstate pipelines for the 13th straight year

• BHE OSHA Recordable Incident Rate of 0.51 • Kern River employees have worked more than ten years without a lost-time injury

• BHE has 48% renewable/noncarbon generation • Kern River’s 2020 methane emissions was 0.005% - much lower than the industry average of 0.26%

• BHE utility rates are below national averages • Kern River rates are a cost-competitive option to Southern California and southern Nevada

• BHE has $127.3b in total assets • Exceptional cyber and physical protection • Kern River has had no unplanned interruptions to primary firm customers since May 2012

• BHE 2020 net income > $3.5b • BHE operating cash flows > $6.2b • Kern River has achieved rate stability since 2004 (last rate case) and reduced rates twice since 2014 4 Kern River Commercial Group

5 Kern River System

■ Based in Salt Lake City, Utah ■ 1,718-mile pipeline system, of which 1,340 miles are 36- inch-diameter steel pipe ■ 383,500 compressor horsepower ■ 2.17 Bcf/day design capacity ■ 2.41 MDth/day operating capacity at Veyo in 2020 ■ Access to natural gas supplies in Wyoming, Utah and California via 19 receipt meter stations ■ Serves markets in Utah, Nevada and California via 82 delivery meter stations

6 Mainline Construction History

Project In-Service Date Quantity Original System February 1992 724,449 2002 Expansion May 1, 2002 124,500 2003 Expansion May 1, 2003 906,626 2010 Expansion November 1, 2010 145,000 Apex Expansion October 1, 2011 266,000 2,166,575

7 Supply Flow Options

Wyoming 5.3 Bcf/d ■ Our customers have access to abundant and cost-competitive supplies Salt Lake ‒ Rockies, Canadian, Permian Salt City and San Juan supplies Lake Goshen connecting to premium City 0.6 markets in Utah, Nevada and Bcf/d California ‒ Freemont Peak allows access to PG&E system supply ‒ 17Z Oxy allows access to CA Las Vegas Oxy 17Z Resources’ Elk Hills supply 0.2 Bcf/d Dag Moj 0.4 Bcf/d

Los Freemont Peak Angeles 0.3 Bcf/d

8 System Operations

■ Kern River’s pipeline system is looped from Opal, Wyoming to the Daggett compressor station, except through the Las Vegas area, plus an additional 82 miles – Allows Kern River to bypass sections of the pipeline for maintenance or repair activities while maintaining service on remainder of the system ■ Meter stations – Connected to both the main and loop lines – Meter stations can be fully served by either line ■ Gas control – Staffed 24/7 – Fully functional backup facility located off-site for use during emergency events ■ SCADA – All compressor stations, meter stations and automated mainline valves are remotely monitored and controlled ■ Real-time modeling of the system – Calculates line pack and imports to SCADA system ■ Backhaul – Kern River has back haul flow capabilities from Goshen, Wheeler Ridge, Kramer Junction, Freemont Peak via Sidewinder, PG&E Daggett, and Oxy 17Z to delivery meter stations located in California, Nevada and Utah – Enhances Kern River’s operational reliability and responsiveness to emergency events

9 PHMSA Rulemakings

■ On October 1, 2019, the Pipeline and Hazardous Materials Safety Administration, or PHMSA, published Part 1 of a new rule, also referred to as the “Mega” rule, that applies to pipelines that carry natural gas, oil and other hazardous materials in the U.S. ‒ Part 1, Gas Transmission Rule (effective July 1, 2020) ● Kern River has implemented the required procedural changes ‒ Part 2, Gas Transmission Rule ● Repair criteria, inspections following extreme events, management of change, corrosion control, strengthened assessment requirements ● Awaiting publication in Federal Register ● Minimal impact to Kern River – only minor procedural changes will be required

■ Pipeline Safety: Gas Pipeline Regulatory Reform ‒ Effective March 21, 2021 (on hold until President Biden’s review is complete) ‒ Includes regulatory changes to: ● Monetary threshold for incident reporting ● Annual physical inspection of remote rectifiers ● Strength test requirements for pressure vessels and fabricated assemblies ● Welder requalification requirements ‒ Minimal impact to Kern River – only minor procedural changes will be required

10 System Utilization

■ Received 25% of Rockies natural gas Average Scheduled Volume (Dth/day) supply in 2020 3,000,000 ■ Delivered approximately 25%(1) of California’s demand for natural gas in 2,500,000 2020 2,000,000 ■ Delivered 80%(2) of southern Nevada’s 1,500,000

natural gas in 2020, an average of 1,000,000 561,391 Dth/d 500,000

■ Deliveries to Utah have increased by 0 50% since 2017 (162,444 Dth/d in 2020) 2013 2014 2015 2016 2017 2018 2019 2020 2021 ■ Scheduled throughput averaged 107% of Avg Daily Scheduled Design design capacity in 2020 and 105% in 2021 – through July 27 2021 through July 27

(1) Based on the 2021 California Gas Report

(2) Based on Kern River’s average scheduled volumes to Nevada and Southwest Gas Transmission Company’s system capacity served by El Paso Natural Gas and Transwestern Pipeline

11 Pipeline System Management

Swing of 1,020,477 Dth on daily basis or 42,520 Dth on hourly basis

Swing of 668,545 Dth on daily basis or 27,856 Dth on hourly basis

12 Pipeline System Management

Number of Days with at least 100,000 DTH of System Line Pack Change 80

69 (2017) 70

60 59 (2016) 53 (2019)

50

49 (2018) 40

42 (2020) # of of # instances 30

20 23 (2021)

10

0

Feb Aug Jan Mar Apr May Jun Jul Sep Oct Nov Dec

13 Pipeline System Management

Line Pack Events1

Line Pack Level 2016 2017 2018 2019 2020 20212

Low 4 9 6 3 3 0 High 21 23 12 10 9 11

■ Kern River manages line pack through effective coordination and communication with customers ■ Kern River has not issued a scheduling or imbalance penalty since 1996

1 Several notices may have been posted for a single critical line pack event 2 2021 events through July 27

14 Firm Transportation Reservation/Demand Rates

Tax Reform & Jobs Act - 501G WITH Tax Reform Rate Credit (Non-Leap Year Rates) Original Period 2 Alternate Insulated Non-Insulated Period 2 Rolled-in Service Period 1 10-yr 15-yr 10-yr 15-yr 25-yr 2002 Exp 10-yr $0.4213 $0.2421 $0.2073 $0.2437 $0.2089 $0.1863 Orig Sys/2002 Exp 15-yr $0.3233 $0.2045 $0.1736 $0.2061 $0.1752 $0.1550 Alternate Original Period 2 Period 2 Incremental Service Period 1 10-yr 15-yr 25-yr N/A 2003/2010 Exp 10-yr $0.5191 $0.2283 $0.1992 $0.1804 2003/2010 Exp 15-yr $0.4198 $0.2263 $0.1979 $0.1796 WITHOUT Tax Reform Rate Credit (Non-Leap Year Rates) Original Period 2 Alternate Insulated Non-Insulated Period 2 Rolled-in Service Period 1 10-yr 15-yr 10-yr 15-yr 25-yr 2002 Exp 10-yr $0.4734 $0.2720 $0.2329 $0.2738 $0.2347 $0.2093 Orig Sys/2002 Exp 15-yr $0.3633 $0.2298 $0.1951 $0.2316 $0.1969 $0.1742 Alternate Original Period 2 Period 2 Incremental Service Period 1 10-yr 15-yr 25-yr N/A 2003/2010 Exp 10-yr $0.5833 $0.2565 $0.2238 $0.2027 2003/2010 Exp 15-yr $0.4717 $0.2543 $0.2224 $0.2018 15 Firm Transportation Rate History (Includes Demand & Commodity Rates)

All rates n0n-leap year

16 Cost-Competitive Options to Southern California & Nevada

$5 $4.7795

$4.2641 $0.4894

$4 $0.4894 $3.6171 $0.1557 $1.1370 $0.4100 $3.1065 $3.1643 $3.0988 $3.1474 $0.4894 $0.1796 $2.8705 $3 $0.1550 $0.3619 $0.2561 $0.5700

$0.3619 $0.2226 $/Dth

$2

Rockies Rockies San Juan Rockies Rockies $2.8996 $2.8996 Permian Permian $2.7180 AECO $2.8996 $2.8996 $2.4469 $2.4469 $1 $2.3662

$0 Kern River Kern River Transwestern El Paso El Paso PG&E PG&E PG&E Rolled-in 2003 Exp GTN GTN Ruby 25-yr Alt P2 25-yr Alt P2 TCPL NWP Rate Rate Gas Price Fuel and Commodity Transportation Demand Rate

Source: Platts M2M Modeled Natural Gas Curves, 120-Month Daily Assessments Dated July 28, 2021

17 Financial Strength

■ Kern River has a 100% capitalization structure ■ We have a diversified customer portfolio that is dominated by long-term contracts with highly rated customers (average: S&P’s A- and Moody’s A3) ■ We have predictable and stable cash flow ■ We have no dividend requirement to BHE Pipeline Group or to Berkshire Hathaway ■ We continue to achieve solid financial results ■ We have access to Berkshire Hathaway capital to fund expansions and major projects ■ We invest in our systems to ensure safe and reliable operations ■ We consistently execute projects with cost controls, which allows adequate returns ■ We have achieved rate stability since 2004 (our last rate case) and reduced rates on two occasions since 2014

18 Environmental Stewardship

■ We are committed to using natural resources wisely and to protecting our environment for the benefit of future generations ■ Methane reduction and liquid spill prevention are two of Kern River’s operational performance metrics ‒ Methane Reduction ● We actively manage avoidance of methane emissions far below the industry average of 0.26% ▪ 2020: 0.005% ● Kern River is a member of the U.S. Environmental Protection Agency’s (EPA) Natural Gas Star and Methane Challenge voluntary programs and a member of the ONE Future Coalition ‒ Spill Prevention ● We have consistently reduced spills using spill prevention plans and controls ▪ 2020: 1.93 gallons ■ Waste heat recovery facilities are installed at two Kern River compressor stations ■ Kern River can receive renewable natural gas from a facility in central Utah

19 Customer Service

■ Kern River placed first out of all interstate pipelines in 2021 (top two in each of the past 13 surveys) ■ No. 1 in regional pipeline group for the past 11 years ■ Kern River’s 2021 overall score increased from 96.64 to 97.72 ■ Kern River’s 2021 individual scores increased in 26 of 29 attributes ■ We are committed to continuous improvement ■ Thank you for your participation and continuous feedback!!!

20 2021 Customer Commitment

To be the best energy company in serving our customers and the communities to which we deliver natural gas This means … ▪ You will get what we promise accurately and on time ▪ Relationships will be mutually beneficial based on our core principles, not quarter-over-quarter profits ▪ We will share the purpose behind our actions ▪ No surprises either way ▪ Frank, candid discussions ▪ We will commit to making it easy to do business with us ▪ We will negotiate and perform in good faith ▪ We will continue to invest in our assets in order to provide you highly reliable service and to meet your future growth needs ▪ We will seek balanced outcomes ▪ We will do necessary due diligence but maintain an attitude of partnership

21 Key Performance Indicators

+ 2021 2020 Customer Satisfaction Drivers and Targets Unit Target Performance = 1 Mastio Score measuring external customer satisfaction to be in top two of all interstate pipelines Ranking = Top 2 #1 2 Business-critical application reliability Percentage + ≥ 99.97% 99.975% 3 Implement all business-critical system changes to production as planned Percentage + 98.25% 98.30% 4 Incur no cybersecurity incidents that impact Kern River's customers # of Events = 0 0 5 Operations personnel engage in shipper and operator meetings to identify continuous improvement opportunities # of Events = 12 27 6 Unplanned interruption to primary firm customer # of Events = 0 0 7 Customer requested projects managed to meet requested in-service dates and within approved capital expenditures Percentage = 100% 100% 8 Develop and submit project initiation requests formally submitted by business development on or before established deadline Percentage = 100% 100% 9 Measurement prior-period adjustments Percentage = ≤ 3 0 10 Avoidable non-measurement prior-period adjustments # of Adj = ≤ 8 0 11 Complete system development projects on time, within budget and consistent with customer commitments Percentage = 100% 100% 12 Answer all customer calls with a live person Percentage + >90% 97.4% 13 Satisfy customer requests during the first contact Percentage + >95% 98.3% 14 Respond to customer phone calls with 3 minutes or less Percentage + >90% 98.9% 15 Respond to customer emails within 8 hours or less Percentage + >90% 100.0% 16 Reduce customers with repeat issues (reduce YoY by target %) Percentage + >10% N/A 17 Reduce number of invoice questions received (reduce YoY by target %) Percentage + >10% N/A

22 2021 Action Items

■ Capacity Sales ▪ Improve and shorten the overall time it takes to create, route and execute transportation agreements ■ Transportation Services ▪ Promote increased connectivity to third-party storage providers located near Kern River ▪ Continue to evaluate storage options ■ Representatives ▪ Challenge customer representatives to better understand your organization’s needs and challenges ▪ Representatives will reach out periodically to continue building and improving relationships ▪ Ensure customer representative voicemail, email and IM indicate when he/she is out of the office and how to reach backup personnel ▪ Improve the process of preparing backup personnel when primary customer representatives are out of the office ▪ Offer face-to-face, onsite or video conferencing training as quickly as convenient and appropriate to new customer employees ▪ On-call scheduling and backup personnel are available to customers from 6:00 a.m. to 9:00 p.m. Mountain time

23 2021 Action Items

■ Communication ▪ Solicit feedback from customers on individual communication preferences and incorporate into daily activities and processes ▪ Upgrade shipper notices to include tables, special characters, and new formatting options for improved communication ▪ Ensure customers understand that park and loan service is not generally available because Kern River does not have storage ■ System flexibility ▪ Manage line pack and imbalances to ensure transportation services are reliable and impacts to customers are minimized ▪ Work directly with meter operators and interconnects to allow operational flexibility to the extent possible ▪ Park and loan service is available, but not often utilized as Kern River does not have storage ■ Rapids ▪ Complete Rapids technology upgrade to Microsoft .NET ▪ Develop new programming logic to further optimize scheduling model ▪ Ad hoc capacity allocations ▪ Implement multi-level confirmation matching ▪ Develop multi-factor authentication to improve customer information security ▪ Create customer focus group to evaluate system upgrades and enhancements

24 2021 Action Items

■ System reliability ▪ Further develop and test processes that will be used during emergency events ▪ Develop and hold mock emergency drills to improve processes for emergency events ■ Pipeline-initiated restrictions ▪ Continue to review restriction protocol with customers to ensure comprehensive understanding of high and low line pack events ■ Post survey activities ▪ Ensure customer representatives ▪ Work with customers to develop action items to address concerns ▪ Confirm action items are still relevant throughout the year ▪ Resolve action items to customer’s expectations

25 2021 Mastio Survey Results What We Can Do Better

What do these mean to you? ▪ “More available transport.” ▪ “Institute a true Park and Loan service.” ▪ “Increased access to storage.” ▪ “Operational flexibility.” ▪ “I would like to see them lower the minimum rate they are able to accept for transport.” ▪ “Expand to other areas in Bakersfield.” ▪ “I would like Kern to reach out to its customer more often rather than waiting for the shipper to call.” ▪ “I understand the need for unique and secure passwords. If there is a way to simplify the process to change passwords to the Rapids System, that would be appreciated.”

26 2021 Mastio Survey Results What We Are Doing Well

▪ “Extremely pleasant communication with pipeline representatives.” ▪ “The open dialogue they have by constantly reaching out and communicating with us, even if it is a simple update about things on their end to give a heads up. Very communicative.” ▪ “They went out of their way to explain how to use a lateral on their pipeline and helped us understand how to take advantage of possible price spreads.” ▪ “Excellent marketing communication throughout Covid remote working. Reps really stepped up their already amazing communication.” ▪ “Excellent customer service all the time. Appreciate a call from the pipe’s rep just to check on us often.” ▪ “Customer service from pipeline reps, reliability, consistency, dependability, the care they take in running their pipeline and value.” ▪ “Their nomination system is easy and they are always available to help when I call the helpline.” ▪ “Great pipeline. I enjoy doing business with the folks over at Kern River; it is a great working relationship.”

27 Customer Satisfaction 2021 Mastio Survey Results

▪ We want to continue to be the No. 1 interstate pipeline in the industry for customer satisfaction ▪ Our goal is to continuously improve and provide our customers the best service and experience possible ▪ Current rating outcome on 1-10 scale ▪ “10” = 1st place ▪ “9” = 3rd place ▪ “8” = 13th place ▪ “7” = last place ▪ Please provide enough details to help us understand the issue or desired change(s) ▪ Kern River encourages survey participants to disclose their name ▪ Please tell us what it will take to earn a “10” in all areas of the survey

28 Market Dynamics

■ California intrastate pipeline maintenance ■ California storage regulations ■ Renewables and other alternative energy sources ■ Hydroelectric generation ■ Coal, nuclear and natural gas power plant retirements ■ Deliveries to Mexico ■ LNG exports ■ Changing production/shifting pipeline paths ■ Pipeline capacity de-contracting ■ COVID-19 impact

29 Kern River Supply (Dth/day)

Design 2014 2015 2016 2017 2018 2019 2020 2021 1/ 21 vs 20 Capacity Wyoming Processing Plants Opal 1,758,000 459,394 465,960 509,192 316,247 345,043 242,884 228,641 208,364 -8.87% Carter Creek 156,150 548 16,820 18,081 12,636 25 13,471 5,368 23,326 334.54% Painter 158,682 45,238 32,441 27,068 28,522 34,551 16,141 5,755 6,141 6.71% Pioneer 1,000,000 342,957 374,109 420,151 529,209 517,413 524,194 475,307 404,303 -14.94% Rendezvous 450,000 270,903 360,848 368,629 371,970 307,595 281,151 229,704 190,645 -17.00% Pipelines NWP Muddy Creek 397,100 167,878 225,941 173,972 172,525 290,274 204,808 246,440 255,999 3.88% CIG Muddy Creek 122,400 54,885 58,327 46,983 53,067 36,745 34,770 33,963 30,082 -11.43% Roberson Creek 250,000 141,346 149,439 134,652 150,975 133,864 224,854 228,879 204,577 -10.62% Overthrust 121 220,000 68,976 25,906 20,507 33,637 46,766 84,807 105,100 119,081 13.30% Hams Fork 583,000 378,872 392,154 320,962 274,507 268,232 399,213 432,644 483,086 11.66% Storage Whitney Canyon 155,800 0 0 20,522 16,242 9,463 9,686 13,257 30,637 131.10% Clear Creek 92,400 5,602 3,083 6,311 3,648 4,323 8,467 14,986 30,860 105.93% Wyoming 5,343,532 1,936,599 2,105,028 2,067,030 1,963,185 1,994,294 2,044,446 2,020,044 1,987,101 -1.63% Utah Goshen 600,000 340,144 310,925 283,521 267,515 263,520 279,079 287,023 277,470 -3.33% Salt Cove 6,000 0 0 0 0 0 0 20 0 Utah 606,000 340,144 310,925 283,521 267,515 263,520 279,079 287,043 277,470 -3.34% California Processing Plants Oxy 17Z 0 55,416 50,376 49,246 50,357 29,620 28,561 23,798 17,767 -25.34% Pipelines DagMoj 400,000 0 0 0 144 8,682 3,205 82 417 408.54% Freemont Peak 282,000 38,731 42,762 22,257 26,118 29,243 42,189 37,257 31,579 California 682,000 94,147 93,138 71,503 76,619 67,545 73,955 61,137 49,763 -18.60% Total Supply 6,631,532 2,370,890 2,509,091 2,422,054 2,307,319 2,325,359 2,397,480 2,368,224 2,314,334 -2.28%

1/ Through July 27, 2021

30 Kern River Market (Dth/day)

Design 2014 2015 2016 2017 2018 2019 2020 2021 1/ 21 vs 20 Capacity Wyoming Other Pipelines 105,000 14 41 0 32 0 104 117 388 231.62% Storage 61,860 0 0 0 59 0 14,173 14,439 17,923 24.13% Wyoming 166,860 14 41 0 91 0 14,277 14,556 18,311 25.80% Utah Electric Power 89,000 3,211 2,944 3,072 3,818 6,291 5,454 9,068 7,870 -13.21% Industrial 26,088 12,986 12,030 11,285 11,522 11,660 13,367 11,635 11,501 -1.15% LDC 1,472,313 125,921 96,573 94,800 93,295 105,713 128,024 141,362 143,009 1.17% Other Pipelines 367,000 104 0 374 22 14 164 379 417 10.03% Utah 1,954,401 142,222 111,547 109,531 108,657 123,678 147,009 162,444 162,797 0.22% Nevada Electric Power 752,336 282,295 376,616 389,559 354,802 331,770 326,845 340,248 332,655 -2.23% LDC 1,088,220 220,277 261,318 243,476 237,941 231,092 224,961 221,143 236,606 6.99% Nevada 1,840,556 502,572 637,934 633,035 592,743 562,862 551,806 561,391 569,261 1.40% California Commercial 0 489 612 922 1,256 1,199 1,221 851 663 -22.09% Electric Power 663,200 307,422 275,239 275,582 216,150 208,774 211,493 242,601 200,781 -17.24% Industrial 1,795,308 617,765 642,241 554,346 508,352 499,907 479,236 435,521 437,055 0.35% PG&E 667,793 94,926 104,085 32,557 33,621 13,644 10,165 4,498 3,097 -31.15% SoCal Gas 1,458,871 653,381 684,766 766,985 801,378 862,430 933,527 889,410 853,243 -4.07% Other Pipelines 250,000 8,744 1,357 1,771 2,666 9,701 5,879 14,570 28,760 97.39% California 4,835,172 1,682,727 1,708,300 1,632,163 1,563,423 1,595,655 1,641,521 1,587,451 1,523,599 -4.02% Total Market 8,796,989 2,327,535 2,457,822 2,374,729 2,264,914 2,282,195 2,354,613 2,325,842 2,273,968 -2.23%

1/ Through July 27, 2021

31