The disclosure under the heading THE MERGEROpinion of KeyBanc Capital Markets Inc.
(KBCM)Analysis of Cabot Microelectronics is hereby amended and supplemented by replacing the fourth sentence of the paragraph titled Discounted Cash Flow Analysis on page 67 of the Proxy Statement/Prospectus with the
following:
KBCM made its discount rate assumptions based on WACC analysis utilizing metrics derived from the Cabot Microelectronics
Comparable Companies, including the median unlevered beta and debt to equity ratio.
Additional Information and Where to Find It
This report is being made in respect of the proposed Merger between the Company and Cabot Microelectronics. In connection with the proposed Merger, Cabot
Microelectronics has filed with the Securities and Exchange Commission (the SEC) a Registration Statement on Form
S-4
(the Registration Statement), with respect to the registration of
the shares of common stock of Cabot Microelectronics to be issued in the proposed Merger, which includes the prospectus of Cabot Microelectronics and the proxy statement of the Company related to the Companys special meeting of the
Companys shareholders to consider the proposal to adopt the Merger Agreement in connection with Merger. The Registration Statement was declared effective by the SEC on October 9, 2018, and the Company filed the definitive Proxy
Statement/Prospectus with the SEC on October 9, 2018. The Company commenced the mailing of the definitive Proxy Statement/Prospectus to its shareholders on or about October 10, 2018.
A free copy of the Proxy Statement/Prospectus, as well as other filings containing information about the Company and Cabot Microelectronics, may be obtained
at the SECs Internet site (http://www.sec.gov). Copies of the Proxy Statement/Prospectus can also be obtained, free of charge, by directing a request to KMG Chemicals, Inc. Investor Relations at 300 Throckmorton Street, Fort Worth, Texas 76102
or by calling (817)
761-6006,
or to Cabot Microelectronics Corporation Investor Relations at 870 North Commons Drive, Aurora, Illinois 60504 or by calling (630)
499-2600.
Participants in the Solicitation
The Company, Cabot Microelectronics, and their respective directors and executive officers may be considered participants in the solicitation of proxies from
shareholders of the Company in connection with the proposed transaction. Information about the directors and executive officers of the Company is set forth in its proxy statement for its 2017 annual meeting of shareholders, which was filed with the
SEC on November 3, 2017. Information about the directors and executive officers of Cabot Microelectronics is set forth in its proxy statement for its 2018 annual meeting of stockholders, which was filed with the SEC on January 23, 2018.
Additional information regarding the participants and other persons who may be deemed participants in the proxy solicitation in connection with the proposed transaction and a description of their direct and indirect interests, by security holdings
or otherwise, is contained in the Proxy Statement/Prospectus and other relevant materials filed with the SEC on October 9, 2018.
Forward-Looking
Statements
This report may contain certain forward-looking statements within the meaning of, and subject to the safe harbor created by,
Section 21E of the Securities Exchange Act of 1934, as amended, with respect to the business, strategy and plans of the Company, its expectations relating to the proposed transaction with Cabot Microelectronics and its future financial
condition and performance, including estimated synergies. Statements that are not historical facts, including statements about the Companys managements beliefs and expectations, are forward-looking statements. Forward-looking statements
are typically identified by words such as believe, expect, anticipate, intend, target, estimate, continue, positions, plan,
predict, project, forecast, guidance, goal, objective, prospects, possible or potential, by future conditional verbs such as
assume, will, would, should, could or may, or by variations of such words or by similar expressions or the negative thereof. While the Company believes these expectations,
assumptions, estimates and projections are reasonable, such forward-looking statements are only predictions and involve known and unknown risks and uncertainties, many of which are beyond the Companys control. By their nature, forward-looking
statements involve risk and uncertainty because they relate to events and depend upon future circumstances that may or may not occur. Actual results may differ materially from the Companys current expectations depending upon a number of
factors affecting the Companys business and risks associated with the successful execution and integration of the proposed transaction with Cabot Microelectronics and the performance of Cabot Microelectronics businesses following such
transaction. These factors include, among others, the successful completion of the proposed transaction with Cabot Microelectronics;