The average yield on 1 billion pounds of 91-day bills dropped to 12.396 percent, its lowest since November last year, from 13.747 percent at an auction on Sept. 9.

The yield on 3.5 billion pounds of 266-day bills tumbled to 13.354 percent, its lowest since August last year, from 15.486 at the Sept. 9 auction.

Interest rates on the Egyptian government's debt have fallen from historic highs in recent weeks as optimism grows that it will secure help for a struggling economy from the International Monetary Fund and other foreign donors.

The central bank sold all the bills it had offered on behalf of the finance ministry.