Hugo, I did look up the date and minutes of the SNP meeting after seeing what you had written and Councillor's Ivor Lloyd Betws yn Rhos and Phil Caper Llysfaen attended with apologise from Councillor Chris Hughes (who no longer holds that post it's now Councillor Wyn Ellis Jones, Llanrwst)) and the meeting was on the 7th March. What puzzled me was I knew Councillor Ivor Lloyd was at the CCBC Planning Meeting at Bodlondeb, when the Pier Pavilion site application was being discussed. I double checked the date for that meeting and it was March 14th. Councillor Phil could have very well been at another meeting on that day though.
Answers to your question:-
a) Yes.
b) No. The three Councillors did all vote on the Pier Pavilion site application, but left before all the other application had been heard that day and I feel strongly that they should have stayed until the whole meeting had finished at 5.30pm and debated and voted as such. How hard can it be to arrange that 12 times a year you attend the Planning Meetings if you are a Member of the Planning Committee, barring in mind of course, ill health.
c) Yes. As Above