11.   With the changes, the reference price means the closing price of the securities.

12.   Industry sources said producers have pressed for a five percent rise in the reference price.

13.   A higher reference price will allow for earlier and more effective intervention when prices decline, officials said.

14.   A meeting in Geneva in October last year broke down following dissent over the increase in the reference price.

15.   As boilers bubbled across the continent, the reference price for North Sea crude went through the roof, rising by more than half a dollar per barrel.

16.   But the reference price for Brent North Sea crude resisted the news quite well in the end.

17.   Consumer members opposed the rise and the disagreement over the reference price was the main stumbling block at the talks, the sources said.

18.   The reference price for Brent crude North Sea oil oscillated between sudden upward and downward movements this week, but remained within a relatively small range.

19.   The reference price rose on speculation on the New York futures market that a Texas drought would continue.

20.   Rubber industry officials said Wednesday the reference price was due for a review anyway in August even if consumers remained intransigent to an increase.