Operating results (preliminary) (fair disclosure)

What happened

Operating Results (Preliminary) (Fair Disclosure)

Performance period Current period performance: 2026-09-01 to 2026-09-30 Prior period performance: 2026-08-01 to 2026-08-31 Same period last year performance: 2025-09-01 to 2025-09-30 Current cumulative performance: 2026-01-01 to 2026-09-30 Cumulative performance for the same period last year: 2025-01-01 to 2025-09-30

* This information is preliminary and may differ from the final confirmed figures.

1. Performance details (Unit: KRW million, %)

Revenue - current period: -; prior period: -; change rate vs. prior period: -; turned to profit/loss: -; same period last year: -; change rate vs. same period last year: -; turned to profit/loss: - Revenue - cumulative: -; prior cumulative: -; change rate: -; turned to profit/loss: -; cumulative same period last year: -; change rate: -; turned to profit/loss: - Operating profit - current period: -; prior period: -; change rate: -; same period last year: -; change rate: - Operating profit - cumulative: -; prior cumulative: -; change rate: -; cumulative same period last year: -; change rate: - Pre-tax income from continuing operations - current period: -; prior period: -; change rate: -; same period last year: -; change rate: - Pre-tax income from continuing operations - cumulative: -; prior cumulative: -; change rate: -; cumulative same period last year: -; change rate: - Net income - current period: -; prior period: -; change rate: -; same period last year: -; change rate: - Net income - cumulative: -; prior cumulative: -; change rate: -; cumulative same period last year: -; change rate: -

(Unit: KRW million, %) - current period Casino revenue: 37,276; prior period 31,109; change vs. prior period 19.8%; same period last year 34,784; change vs. same period last year 7.2% Table: 34,008; prior period 27,809; change vs. prior period 22.3%; same period last year 31,364; change vs. same period last year 8.4% Machine: 3,268; prior period 3,301; change vs. prior period -1.0%; same period last year 3,420; change vs. same period last year -4.5%

(Unit: KRW million, %) - current cumulative Casino revenue: 337,241; cumulative same period last year 318,714; change rate 5.8% Table: 305,267; cumulative same period last year 289,294; change rate 5.5% Machine: 31,974; cumulative same period last year 29,420; change rate 8.7%

2. Information disclosure details Information provider: Grand Korea Leisure Co., Ltd. Recipients of information: Retail investors, domestic and foreign institutional investors, analysts, media, etc. Scheduled date of information provision: Provided from time to time after this fair disclosure Scheduled time of information provision: Provided from time to time after this fair disclosure Event name (location): -

3. Contact Responsible department: Accounting Team Phone number: 02-6421-6476

4. Other important matters relevant to investment decisions * Drop amount: the amount customers paid to purchase chips (Unit: KRW million)

Current period: 323,718; Prior period: 341,395; Change rate vs. prior period: -5.2%; Same period last year: 315,980; Change rate vs. same period last year: 2.4%

Current cumulative: 2,974,260; Cumulative same period last year: 2,715,522; Change rate vs. cumulative same period last year: 9.5%

1. The above results are preliminary and may be revised in the future. 2. Materials related to the results will be posted on the Company's website, IR Results Archive (https://www.grandkorea.com).

Related disclosures: -