May 15 - Mexican state oil company Pemex revised its

June term pricing formulas for crude shipped to customers in the

Americas, Europe and Asia, the company's trading arm said on

Thursday.

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 MAY

CONSTANT JUNE CONSTANT

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

U.S. Gulf Coast,

The Americas'

Atlantic Coast,

The Caribbean

Maya crude -7.05 -6.45

Zapoteco crude -2.20 -2.50

Istmo crude -1.00 -2.00

Olmeca crude -0.25 -1.20

U.S. West Coast,

The Americas'

Pacific Coast

Maya crude -5.20 -5.20

Zapoteco crude -2.25 -1.85

-3.40 -3.25

Istmo crude

Olmeca crude -1.90 -1.75

Europe and the

Middle East

Maya crude -7.30 -7.90

Zapoteco crude -6.35 -6.65

-6.05 -6.35

Istmo crude

Olmeca crude -4.95 -4.65

India

Maya crude -7.85 -8.30

Zapoteco crude -6.95 -7.30

-6.45 -6.80

Istmo crude

Olmeca crude -4.35 -4.90

Far East

Maya crude -8.30 -8.35

Zapoteco crude -4.60 -4.40

-6.80 -6.65

Istmo crude

Olmeca crude -6.00 -5.85

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