Viomi Technology : 4Q2020 Earnings Presentation

Q4 2020 Results Presentation

March 2021

Safe Harbor Statement

This presentation has been prepared by Viomi Technology Co., Ltd ("Viomi" or the "Company") solely for informational purposes and does not constitute an offer to sell or issue or the solicitation of an offer to buy or acquire securities of the Company in any jurisdiction or an inducement to enter into investment activity, nor may it or any part of it form the basis of or be relied on in connection with any contract or commitment whatsoever. This document has been prepared by the Company solely for use at this presentation. The information contained in this presentation, including the Company's unaudited financial and operating results for the fourth quarter of 2020, has not been independently verified. No representation, warranty or undertaking, express or implied, is made as to, and no reliance should be placed on, the fairness, accuracy, completeness or correctness of the information or the opinions contained herein. None of the Company or any of its affiliates, directors, officers, advisors or representatives will be liable

(in negligence or otherwise) for any loss howsoever arising from any use of this presentation or its contents or otherwise arising from or in connection with this presentation.

This presentation contains forward-looking statements that are made under the "safe harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. These statements include descriptions regarding the intent, belief or current expectations of the Company or its officers with respect to the consolidated results of operations and financial condition of the Company, which can be identified by terminology such as "will," "expects," "anticipates," "future," "intends," "plans," "believes," "estimates," "confident" and similar statements. Such forward-looking statements are not guarantees of future performance and involve risks and uncertainties, and actual results may differ from those in the forward-looking statements as a result of various factors and assumptions. The Company or any of its affiliates, directors, officers, advisors or representatives has no obligation and does not undertake to revise forward-looking statements to reflect new information, future events or circumstances after the date of this presentation, except as required by law.

Q4 2020 Financial Highlights

Net Revenues

Gross Profit Margin

Non-GAAP Net Income Attributable to Ordinary Shareholders(1)

Cash Assets(2)

RMB1.9 Bn

23.5%

RMB115.5 MMRMB1.2 Bn+

(+6.4% q-o-q, +3.6% y-o-y)

（+15.3% y-o-y）

Note 1. "Non-GAAP net income attributable to ordinary shareholders" is defined as net income attibutable to ordinary shareholders excluding share-based compensation expenses； 2. As of December 31, 2020; include cash and cash equivalents and short-term investments.

3

Further Product and Channel Diversification (Q4 2020)

Revenue Breakdown by Product Category

13.3%

Revenue Breakdown by Channel

4