Rule 10b5-1 Plan Elections

During the quarter ended June 30, 2025, the following executive officers of the Company adopted a "Rule 10b5-1 trading arrangement," as defined in Item 408 of Regulation S-K.

Elise Baskel, Senior Vice President - Colorado Technical University, entered into a pre-arranged stock trading plan on May 15, 2025. Ms. Baskel's plan provides for the sale between August 14, 2025 and December 31, 2025 of up to 21,212 shares of the Company's common stock owned by Ms. Baskel.

Ashish Ghia, Senior Vice President, Chief Financial Officer and Treasurer, entered into a pre-arranged stock trading plan on May 8, 2025. Mr. Ghia's plan provides for the sale between August 7, 2025 and February 27, 2026, of up to 6,236 shares of the Company's common stock which Mr. Ghia has the right to acquire under outstanding vested stock options and up to 46,845 shares of the Company's common stock owned by Mr. Ghia.

Greg Jansen, Senior Vice President, General Counsel and Corporate Secretary, entered into a pre-arranged stock trading plan on May 9, 2025. Mr. Jansen's plan provides for the sale between August 8, 2025 and January 9, 2026, of up to 30,234 shares of the Company's common stock owned by Mr. Jansen.

Todd Nelson, President and Chief Executive Officer, entered into a pre-arranged stock trading plan on May 29, 2025. Mr. Nelson's plan provides for the sale between September 15, 2025 and April 30, 2026 of up to 291,346 shares of the Company's common stock owned by Mr. Nelson, and all net vested performance-based restricted stock (“PSUs”) held by Mr. Nelson upon the vesting of these PSUs on March 14, 2026.

Each of the trading plans was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended, and the Company's policies regarding transactions in Company securities.