KLA Corporation Annual report pursuant to Section 13 and 15(d)

$ 1,340,284

Gross Unrealized Losses, 12 months or more

(14,168)

^[1]

5,300

Corporate debt securities

648,552

(7,508)

^[1]

U.S. Treasury securities

380,753

U.S. Government agency securities

(3,682)

^[1]

293,836

(2,827)

^[1]

Sovereign securities

17,143

$ (151)

^[1]

[1]	As of June 30, 2018, the amount of total gross unrealized losses related to investments that had been in a continuous loss position for 12 months or more was $5.3 million.

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months.

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This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

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-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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