TPC Group Inc. still faces challenges related to its Port Neches, Texas, (PNO) facility and operational issues following 2021 storms and boiler issues, leading to reduced profitability and unsustainable credit metrics. S&P Global Ratings affirmed its 'CCC' issuer credit rating on TPC Group Inc. The outlook is negative. The 'B-' issue-level and '1' recovery ratings on the company's $153 million 10.875% senior secured notes due 2024 are unchanged. The '5' recovery rating on the 10.50% senior notes due 2024 remains unchanged. The issue-level rating is 'CCC-'. The negative outlook reflects operational issues, uncertainty around the timing and amount of potential insurance proceeds, and the company's weakened liquidity. The Port Neches facility processed crude C4 into butadiene, B1, and raffinate. The