EXHIBIT 15 The Board of Directors JLG Industries, Inc. McConnellsburg, PA 17233 We are aware of the incorporation by reference in the Registration Statements Form S-8, No. 33-60366; Form S-8, No. 33-61333; Form S-8, No. 33-75746; and Form S-3, No. 333-47487 of JLG Industries, Inc. of our report dated February 16, 1999, relating to the unaudited condensed consolidated interim financial statements of JLG Industries, Inc. which are included in its Form 10-Q for the quarter ended January 31, 1999. Pursuant to Rule 436(c) of the Securities Act of 1933 our report is not a part f the registration statement prepared or certified by accountants within the meaning of Section 7 or 11 of the Securities Act of 1933. /s/ Ernst & Young LLP Baltimore, Maryland March 12, 1999