EX-99.CERT 3 e300078_ex-cert.txt CERTIFICATION EX-99. CERT CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 -------------------------------------------------------------------------------- I, Donald C. Burke, Chief Financial Officer of Merrill Lynch Low Duration Fund, certify that: 1. I have reviewed this report on Form N-CSR of Merrill Lynch Low Duration Fund and Master Low Duration Bond Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; and 3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, changes in net assets, and cash flows (if the financial statements are required to include a statement of cash flows) of the registrant as of, and for, the periods presented in this report. Date: February 18, 2003 /s/ Donald C. Burke ------------------------------- Donald C. Burke, Chief Financial Officer of Merrill Lynch Low Duration Fund Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Merrill Lynch Low Duration Fund By: /s/ Donald C. Burke ------------------------------- Donald C. Burke, Chief Financial Officer of Merrill Lynch Low Duration Fund Date: February 18, 2003 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By: /s/ Donald C. Burke ------------------------------- Donald C. Burke, Chief Financial Officer of Merrill Lynch Low Duration Fund Date: February 18, 2003 By: ------------------------------- ------------------------------- Date: February ___, 2003 EX-99. CERT CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 -------------------------------------------------------------------------------- I, Terry K. Glenn, President of Merrill Lynch Low Duration Fund, certify that: 1. I have reviewed this report on Form N-CSR of Merrill Lynch Low Duration Fund and Master Low Duration Bond Fund; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; and 3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, changes in net assets, and cash flows (if the financial statements are required to include a statement of cash flows) of the registrant as of, and for, the periods presented in this report. Date: February 18, 2003 /s/ Terry K. Glenn ------------------------------- Terry K. Glenn, President of Merrill Lynch Low Duration Fund Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Merrill Lynch Low Duration Fund By: /s/ Terry K. Glenn ------------------------------- Terry K. Glenn, President of Merrill Lynch Low Duration Fund Date: February 18, 2003 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By: /s/ Terry K. Glenn ------------------------------- Terry K. Glenn, President of Merrill Lynch Low Duration Fund Date: February 18, 2003 By: ------------------------------- ------------------------------- Date: February ___, 2003