Trevor J. Stedke's Restricted Stock Units Vesting and Tax Withholding

On October 25, 2025, Trevor J. Stedke, Senior Vice President of Operations at Frontier Group Holdings, Inc., had 60,764 Restricted Stock Units (RSUs) vest. These RSUs represent a contingent right to receive one share of common stock each and have no expiration date. Upon vesting, 18,246 shares were withheld by the issuer to satisfy tax withholding obligations, resulting in a net issuance of shares to Stedke. The remaining RSUs are set to fully vest on October 25, 2026. This transaction did not involve any sale of shares by Stedke. Post-transaction, Stedke holds 233,954 shares of common stock directly.