Plug Power Inc. has announced its intention to offer $375 million aggregate principal amount of Convertible Senior Notes due 2033 in a private placement to qualified institutional buyers under Rule 144A. The company may also grant initial purchasers a 13-day option to buy up to an additional $56.25 million of these notes. The notes will be general unsecured obligations, convertible into cash, Plug Power common stock, or a combination at the company's election. Proceeds will be used to fully repay its outstanding 15.00% secured debentures, repurchase part or all of its 7.00% Convertible Senior Notes due 2026, and for working capital and general corporate purposes. The specific interest rate, conversion rate, and final pricing terms are yet to be determined, pending market conditions. The notes have a maturity date in 2033. No URL for the full prospectus is included in the document.