“Qualified Retail Transactions” shall include all local and overseas retail
spending, online purchases and new Zero Interest Instalment Plan (ZIIP) full
purchase amount (not monthly instalment) and exclude the transactions that
earn Cash Back under other on-going Cash Back promotion, flexipay,
balance transfer, auto-debit, recurring payments, payments for utilities,
direct marketing, insurance premiums, government related payments,
payment via www.pbebank.com and ATM, cash advance/ cash
withdrawal, quasi cash, casino transaction, interest payments, late
payment fees, finance charges, annual fees, reversals, payment to
charity(ies) and any form of service/ miscellaneous fees.

i would say yes as promotional CB are usually given on top of the normal 6% CB whenever applicable...for eg, the every swipe, premier campaign