第1步：转到www.envisionreports.com/klac。第2步：点击投票或请求材料。步骤3：按照屏幕上的说明登录。www.envisionreports.com/klac在线转到www.envisionreports.com/klac或扫描QR码 - 登录详细信息位于下面的阴影条中。The Sample Company Stockholders’ Meeting Notice 03IG8B + + Important Notice Regarding the Availability of Proxy Materials for the KLA Corporation Annual Meeting of Stockholders to be Held on November 3, 2021. Under Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual meeting of stockholders are available on the Internet. Follow the instructions below to view the materials and vote online or request a copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important! This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The 2021 proxy statement and annual report to stockholders are available at: Obtaining a Copy of the Proxy Materials – If you want to receive a copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. Please make your request as instructed on the reverse side on or before October 28, 2021 to facilitate timely delivery. 2NOT Easy Online Access — View your proxy materials and vote. When you go online, you can also help the environment by consenting to receive electronic delivery of future materials. Step 4: Make your selections as instructed on each screen for your delivery preferences. Step 5: Vote your shares.

以下是如何订购代理材料的副本并选择交货偏好：可以使用下面的选项提交当前和未来的交付请求。如果您请求电子邮件副本，您将收到一封带有当前会议材料的链接的电子邮件。请注意：在请求代理材料副本时，必须使用反向侧的阴影条中的编号。- 互联网 - 转到www.envisionreports.com/klac。点击投入投票或请求材料。- 电话 - 在1-866-641-4276免费致电我们。- 电子邮件 - 发送电子邮件至Investorvote@computershare.com与主题行中的“代理材料KLA Corporation”。beplay体育下载2包括您的全名和地址，以及位于相反侧的阴影条中的数字，以及您想要会议材料的纸质副本的状态。为了便于及时交货，所有对代理材料纸质副本的请求必须在2021年10月28日之前收到.KLA公司的股东年会将于2021年11月3日举行，下午12:00举行。beplay体育下载2太平洋日光时间，几乎通过互联网在https://meetnow.global/mwsgmsg。 To access the virtual meeting, you must have the information that is printed in the shaded bar located on the reverse side of this form. Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors recommends a vote FOR each of the Director Nominees (Proposal 1) and a vote FOR Proposals 2 and 3. 1. Election of Directors: 01 – Edward Barnholt 02 – Robert Calderoni 03 – Jeneanne Hanley 04 – Emiko Higashi 05 – Kevin Kennedy 06 – Gary Moore 07 – Marie Myers 08 – Kiran Patel 09 – Victor Peng 10 – Robert Rango 11 – Richard Wallace 2. To ratify the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the fiscal year ending June 30, 2022. 3. To approve on a non-binding, advisory basis our named executive officer compensation. In their discretion, the proxy holders are authorized to vote on all such matters as may properly come before the meeting or at any adjournment or postponement thereof. PLEASE NOTE – YOU CANNOT VOTE BY RETURNING THIS NOTICE. To vote your shares you must go online or request a paper copy of the proxy materials to receive a proxy card. Stockholders’ Meeting Notice