The recovery in PTT Global Chemical Public Co. Ltd.'s (GC) earnings is taking longer than we expected due to subdued global petrochemical demand. We forecast the Thailand-based company's debt-to-EBITDA ratio will remain above 4.0x over the next two years. We have lowered our assessment of GC's stand-alone credit profile (SACP) to 'bb' from 'bb+'. In our view, GC will remain a highly strategic subsidiary of PTT Public Co. Ltd. (PTT) given their strong operational linkages. On April 12, 2024, we affirmed our 'BBB' long-term issuer credit rating on GC and the 'BBB' issue rating on the company's U.S. dollar-denominated senior unsecured notes. The stable outlook on GC mirrors that on our local currency issuer credit rating on PTT. This reflects