Banks push European shares lower; BoE, ECB eyed

* FTSEurofirst 300 index down 1.2 pct ahead of BoE, ECB

* Banks weigh but BNP Paribas gains after results

* Commods fall; Petroplus down

By Joanne Frearson

LONDON, Nov 5 (Reuters) - European share prices were mostly lower on Thursday ahead of interest rate decisions by the Bank of England and the European Central Bank, with banks and commodity stocks the biggest losers.

By 0917 GMT, the pan-European FTSEurofirst 300 .FTEU3 index of top shares was down 1.2 percent at 972.82 points. The benchmark index has gained nearly 17 percent this year and is up around 50 percent since reaching a record low in early March.

"Even though there have been some good banking figures coming out we are still not finding any particular direction. We are seeing it pull back today," said Justin Urquhart Stewart, director at Seven Investment Management.

"We are waiting to see if there is going to be a decision from the Bank of England. I think there is unlikely to be any change and I do not think the ECB will make any significant changes," he said.