Transaction Details

Footnotes

Consists of shares of common stock, par value $0.01 per share, of the Issuer ("Common Stock") that were sold in an underwritten secondary offering (the "Offering") at a price to the public of $34.60 per share. The Reporting Person received $34.37 per share of Common Stock sold in the Offering, which is the public offering price less certain underwriting discounts. | Consists of shares of common stock held directly by Frontier TopCo Partnership, L.P. ("Kodiak Holdings"). Frontier TopCo GP, LLC ("Frontier GP") is the general partner of Kodiak Holdings. EQT Infrastructure III SCSp ("EQT Infrastructure III") indirectly owns 100% of the membership interests in Frontier GP. EQT Fund Management S.a r.l. ("EFMS") has exclusive responsibility for the management and control of the business and affairs of investment vehicles which constitute the majority of the total commitments to EQT Infrastructure III. As such, EFMS has the power to control Frontier GP's voting and investment decisions and may be deemed to have beneficial ownership of any securities held by Kodiak Holdings.