March 9 (Reuters) - Moody's:
* MOODY'S SAYS U.S. TARIFFS ON IMPORTED STEEL CREDIT NEGATIVE FOR U.S. INFRASTRUCTURE SECTOR
* MOODY'S SAYS EXEMPTION OF CANADA & MEXICO FROM U.S. TARIFF ON IMPORTED STEEL & ALUMINUM FOR NOW MAY BLUNT IMMEDIATE COST PRESSURE
* MOODY'S SAYS INCREASED COST, POTENTIAL DELAY IN STEEL AVAILABILITY MAY ENDANGER NEW INFRASTRUCTURE INVESTMENTS