Compounding Long-term Dividends at 5-7% CAGR
2
Accelerated Replacement Programs
The Foundation for Improved Safety and Reliability with Better Outcomes for All Stakeholders
Over US$1.7 billion of System Reinforcement Projects over next 5 years
APRP Maturity (Year)
Washington
Gas
A WGL Company
SEMCOENERGY
GAS COMPANY
Maryland
D.C.
Virginia
Michigan
2023
2024
2025
2026
2027
2028
US$115MM
US$330MM
New STRIDE 3 Plan
US$330MM 5-yr commencing 2024
Requested
US$672MM 1,2
New PROJECTpipes 3 Plan
US$672MM 5-yr commencing 20251.2
US$878MM
Extension to be
filed in 20263
Extension to be filed in 20243
US$768MM remaining on 5-yr
SAVE Plan, commenced in 2023
US$54MM remaining on 5-yr Mains
Replacement4, commenced in 2021
Notes: US$1.7 billion in programs include approved and filed; 1) Projectpipes 3 Extension filed but not approved and is subject to change based on final regulatory approval; 2) 1-year extension of PROJECTpipes2 has been filed for US$57.3
million; 3) Based on management's expectations; 4) Michigan's ARP consists of Mains Replacement Program of $60 million and Infrastructure Reliability Improvement Program of $55 million. *See "Forward-looking Information"
AltaGas
Rolling Approved Modernization Programs Follow the Large Replacement Backlog Across the Network
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