MEXICO CITY, April 12 (Reuters) - Mexican state oil

company Pemex revised its May term pricing formulas for crude

shipped to customers in the Americas, Europe and Asia, the

company's trading arm said on Friday.

The following table lists adjustments to price constants for

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

and Olmeca grades plus its Zapoteco blend, marketed to the

company's international buyers by region.

DESTINATION APRIL CONSTANT MAY CONSTANT

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

U.S. Gulf Coast,

The Americas'

Atlantic Coast,

The Caribbean

Maya crude -10.00 -9.00

Isthmus crude -4.20 -2.90

Olmeca crude -1.90 -1.05

Zapoteco crude -6.40 -6.30

U.S. West Coast,

The Americas'

Pacific Coast

Maya crude -6.90 -7.15

Isthmus crude -8.55 -8.50

Olmeca crude -5.85 -5.80

Zapoteco crude -4.85 -4.20

Europe and the

Middle East

Maya crude -10.35 -9.45

Isthmus crude -9.75 -8.55

Olmeca crude -6.25 -5.05

Zapoteco crude -10.15 -8.95

India

Maya crude -11.15 -10.00

Isthmus crude -8.85 -7.05

Olmeca crude -5.15 -4.75

Zapoteco crude -9.20 -8.75

Far East

Maya crude -8.75 -8.25

Isthmus crude -8.30 -7.65

Olmeca crude -5.45 -4.85

Zapoteco crude -7.85 -6.80

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