Hubbell HUBB Amortization of capitalized software and acquired intangible assets

Amortization expense associated with definite-lived intangible assets was $32.3 million and $24.8 million during the three months ended June 30, 2026 and 2025, respectively, and $60.2 million and $49.3 million during the six months ended June 30, 2026 and 2025, respectively. Future amortization expense associated with these intangible assets is estimated to be $83.8 million for the remainder of 2026, $172.1 million in 2027, $172.8 million in 2028, $173.1 million in 2029, $169.9 million in 2030, and $166.1 million in 2031. The Company amortizes intangible assets with definite lives using either an accelerated method that reflects the pattern in which economic benefits of the intangible assets are consumed and results in higher amortization in the earlier years of the assets' useful lives, or using a straight line method. Approximately 94% of the gross value of definite-lived intangible assets follows an accelerated amortization method.