Amendment of Stock Purchase Agreement Closing Date Extension

Correction: Closing date extended from 2026.05.12 to 2026.05.19 (5 business days)
CCG Monument Holdings to acquire 10,000,000 shares (total 72 billion won, at 7,200 won/share) from Kim Joo-young (5,000,000 shares, 22.07%) and TS 2018-12 M&A Investment Association (5,000,000 shares, 22.07%)
Sellers' remaining stake after closing: 4,820,000 shares (Kim: 2,470,000; TS: 2,350,000)
Buyer granted call option on remaining 4,820,000 shares at exercise price of 4,774 won/share
Transaction involves change of largest shareholder (amendment only changes closing date)