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               Preliminary Proxy Statement 
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               Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) 
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               Definitive Proxy Statement 
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               Definitive Additional Materials 
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               Soliciting Material Pursuant to §240.14a-12 
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                OUSTER, INC. 
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               (Name of Registrant as Specified in its Charter) 
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               (Name of Person(s) Filing Proxy Statement, if Other Than the Registrant) 
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               No fee required. 
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               Fee paid previously with preliminary materials. 
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               Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. 
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