Loose forward Hacjivah Dayimani has signed a contract extension that will see him stay in DHL Stormers colours until at least 2025.
Stormers head coach John Dobson was frustrated with his team's first-half performance against Clermont but was happy his second-half substitutions made a difference.
The Stormers rallied in the second half to defeat Clermont 30-16 and secure a favourable playoff spot in the Heineken Champions Cup.
The Stormers have named their side to do battle in this weekend's final round of fixtures in the pool stage of the Heineken Champions Cup.
The Stormers are eager to test their depth at flyhalf with first-choice pivot Manie Libbok ruled out for this weekend's Champions Cup clash against Clermont in Cape Town.
Ireland great Brian O'Driscoll has hailed the SA sides' performances in the Champions Cup with the Bulls, Sharks and Stormers all in line to make the last 16.