Unitil issues USD 60 million senior unsecured notes in private placement led by CoBank

Unitil entered a note purchase agreement on Sept. 24, 2026 to issue USD 60 million of senior unsecured notes: USD 27 million Series 2026A (5.42%) due Sept. 24, 2031 and USD 33 million Series 2026B (5.79%) due Sept. 24, 2036, with proceeds for utility subsidiary capital contributions, refinancing debt and general corporate purposes.