It does meet dexos1 for 2011 to 2017 model GM engines. License number GB1D1216014
Since PUP won't meet dexos1 Gen2 for 2018+ GM engines until after an uncertain time delay, Pennzoil decided to strip it off their labels for a while.
So your GM warranty is covered by that license number, should you ever need to prove anything to GM for a warranty claim.