v3.26.1
OTHER ASSETS
 6 Months Ended
Jun. 30, 2026
Other Assets [Abstract]  
OTHER ASSETS
NOTE 8. OTHER ASSETS
Included in other assets were the following:
June 30, 2026December 31, 2025June 30, 2025
Other Assets($ in millions)
Supply contracts$957.2 $996.0 $1,006.4 
Pension assets124.1 106.8 60.3 
Investments in non-consolidated affiliates20.5 21.3 22.4 
Other68.0 85.9 70.6 
Other assets$1,169.8 $1,210.0 $1,159.7 
Amortization expense of $21.7 million and $20.9 million for the three months ended June 30, 2026 and 2025, respectively, and amortization expense of $43.4 million and $41.8 million for the six months ended June 30, 2026 and 2025, respectively, was recognized within cost of goods sold related to our supply contracts and is reflected in depreciation and amortization on the condensed statements of cash flows. Our long-term supply contracts are monitored for impairment each reporting period.
Investments in Non-consolidated Affiliates
Olin Corporation and Plug Power, Inc. have a joint venture named Hidrogenii, LLC (Hidrogenii), a strategic partnership that aims to leverage the strengths of both companies to advance hydrogen production and utilization. The joint venture began with the construction of a 15-ton-per-day hydrogen liquefaction plant in St. Gabriel, LA, which commenced operations in the second quarter 2025. Hidrogenii is owned 50% by Plug Power LA JV, LLC, a wholly owned subsidiary of Plug Power, Inc., and 50% by Niloco Hydrogen Holdings LLC, a wholly owned subsidiary of Olin Corporation. The investments in, and the operating results of, 50%-or-less-owned entities not controlled by Olin are included in the condensed financial statements using the equity method basis of accounting and classified as non-consolidated affiliates.
The following table summarizes our investments in non-consolidated affiliates included in other assets:
Six Months Ended June 30,
20262025
Investments in Non-consolidated Affiliates($ in millions)
Balance at beginning of year$21.3 $23.0 
Capital contributions1.9 0.8 
Losses of non-consolidated affiliates(1)
(2.7)(1.4)
Balance at end of period$20.5 $22.4 
(1)Excludes the impact of $0.3 million pretax income for the six months ended June 30, 2026 for Olin’s portion of the $22.0 million investment tax credit, which is the basis difference between our equity ownership of Hidrogenii and Olin’s investment, and will be recognized over the useful life of the underlying operational assets.