The Korea Exchange announced that it triggered a "sidecar" at 9:28:31 a.m. on the 29th to temporarily suspend the effectiveness of program buy orders in the KOSDAQ market.

The measure was taken in response to a surge in the KOSDAQ 150 futures price and the spot index, and the effectiveness of program buy orders will be suspended for the next five minutes.

The key indicators at the time of the sidecar trigger are as follows: • KOSDAQ 150 Futures Price: 1,650.50 points (up 96.20 points, or 6.18%, from the previous day's close of 1,554.30 points) • KOSDAQ 150 Spot Index: 1,636.63 points (up 95.86 points, or 6.22%, from the previous day's close of 1,540.77 points)

This sidecar was triggered in accordance with Article 13 of the KOSDAQ Market Business Regulations and Article 14 of the Enforcement Detailed Rules of the same regulations.