I usually have trouble with Castrol but I found the specs on this one easy enough. Both PDS and SDS indicate it's all Grp III. With the specs it carries certainly good oil though.
https://msdspds.castrol.com/bpglis/...02AB64780257D540060FBE8/$File/BPXE-9P9HK3.pdf
https://msdspds.castrol.com/bpglis/...02AB64780257D540060FBE8/$File/BPXE-9P9HK3.pdf