PUBLIC SERVICE CO OF NEW MEXICO

TXNM

The significant properties owned by TXNM include those owned by PNM and TNMP and are disclosed below.

PNM

See Sources of Power in Part I, Item 1 Business above for information on PNM’s owned and leased capacity in electric generating stations. As of December 31, 2025, PNM owned, or jointly owned, 3,450 miles of electric transmission lines, 5,774 miles of distribution overhead lines, 6,251 miles of underground distribution lines (excluding street lighting), and 250 substations. PNM’s electric transmission and distribution lines are generally located within easements and rights-of-way on public, private, and Native American lands. PNM owns and leases communication, office and other equipment, office space, vehicles, energy storage facilities, and real estate. PNM also owns service and office facilities throughout its service territory. See Note 8 for additional information concerning leases.

TNMP

TNMP’s facilities consist primarily of transmission and distribution facilities located in its service areas. TNMP also owns and leases vehicles, service facilities, and office locations throughout its service territory. As of December 31, 2025, TNMP owned 1,049 miles of overhead electric transmission lines, 7,346 miles of overhead distribution lines, 1,633 miles of underground distribution lines, and 106 substations. Substantially all of TNMP’s property is pledged to secure its first mortgage bonds. See Note 7.