MEXICO CITY, Aug 14 - Mexican state oil company Pemex

revised its September term pricing formulas for crude shipped to

customers in the Americas, Europe and Asia, the company's

trading arm said on Wednesday.

The following table lists adjustments to price constants for

Pemex's flagship Maya heavy crude oil, as well as its Zapoteco,

Istmo and Olmeca grades marketed to the company's international

buyers by region.

DESTINATION SEPTEMBER CONSTANT

AUGUST CONSTANT

---------------- ---------------- ---------------

U.S. Gulf Coast,

The Americas'

Atlantic Coast,

The Caribbean

Maya crude -9.55 -10.10

Zapoteco crude -4.15 -4.00

Istmo crude -3.50 -3.70

Olmeca crude -1.85 -1.45

U.S. West Coast,

The Americas'

Pacific Coast

Maya crude -7.25 -7.25

Zapoteco crude -4.70 -3.65

-8.20 -8.20

Istmo crude

Olmeca crude -6.70 -5.35

Europe and the

Middle East

Maya crude -8.40 -9.05

Zapoteco crude -8.30 -7.60

-8.25 -7.25

Istmo crude

Olmeca crude -6.30 -5.55

India

Maya crude -10.20 -10.55

Zapoteco crude -8.75 -8.75

-7.30 -7.50

Istmo crude

Olmeca crude -6.50 -6.40

Far East

Maya crude -9.50 -9.35

Zapoteco crude -8.55 -7.40

-8.95 -8.20

Istmo crude

Olmeca crude -6.30 -5.10

---------------- --------------- ---------------