Continued strong demand for COVID-19 testing amid the delta variant surge and a large new contract have significantly improved Aegis Toxicology Sciences Corp.'s operating performance and cash flow. Aegis has reduced leverage through the combination of much higher EBITDA and voluntary debt repayment. Although S&P Global Ratings expects testing volume to significantly decline as the pandemic subsides, we expect the company will continue to benefit in 2022 from some level of COVID-19 business as well as an expansion of its toxicology testing product manual by extending its relationship with Walgreens. We raised our issuer credit rating to 'B' from 'B-'. The outlook is stable. We also raised our rating on the first-lien term loan to 'B' from 'B-'. The '3'