Anyone else like me trying to determine beneficial interests in...

Anyone else like me trying to determine beneficial interests in PEP11. (not ADVENT) But in PEP11.

On basis of GBA holding
(a) 9,500,000 Advent Energy shares
(b) 9,747,362 MMR shares
(c) 6,778,200 BPH shares

Does this eqaute to
(a) 6.60% in Advent hence 5.6% in PEP11 (after first well)
(b) approx 4% beneficial interest in PEP11 via GBA's shares in MMR
(c) approx 0.5% beneficial interest in PEP via GBA's shares in BPH

so IF above % are ballpark ->
5.6% + 4% + 0.5% = 10.1% beneficial indirect interest in PEP 11 that GBA has

Does anyone else concur ? or what's the revised %

Wondering when (if ever) Advent / MMR / BPH / GBA "group" might disclose what entities will comprise what beneficial interest in PEP11.

P.S. ... If this 4% beneficial interest in PEP11 (of the 10% total beneficial interest in PEP11) is via MMR (Pooled Development Fund with TAX benefits), then essentially is 40% of the potential mega gains GBA is poised to make going to be TAX FREE / TAX EXEMPT ?

Maybe time for shareholders in MMR, BPH, & BUY to consider re-weighting their shareholdings in listed companies having beneficial interests in PEP11