RPM International : Supplemental Slides & Reconciliation of Non-GAAP for 2nd Quarter 2023

Fiscal 2023

Second-Quarter

Results

January 5, 2023

Forward-Looking Statements & Regulation G

This presentation contains "forward-looking statements" relating to our business. These forward-looking statements, or other statements made by us, are made based on our expectations and beliefs concerning future events impacting us and are subject to uncertainties and factors (including those specified below), which are difficult to predict and, in many instances, are beyond our control. As a result, our actual results could differ materially from those expressed in or implied by any such forward-looking statements. These uncertainties and factors include (a) global markets and general economic conditions, including uncertainties surrounding the volatility in financial markets, the availability of capital, and the viability of banks and other financial institutions; (b) the prices, supply and availability of raw materials, including assorted pigments, resins, solvents, and other natural gas-andoil-based materials; packaging, including plastic and metal containers; and transportation services, including fuel surcharges;

1. continued growth in demand for our products; (d) legal, environmental and litigation risks inherent in our construction and chemicals businesses and risks related to the adequacy of our insurance coverage for such matters; (e) the effect of changes in interest rates ; (f) the effect of fluctuations in currency exchange rates upon our foreign operations; (g) the effect of non-currency risks of investing in and conducting operations in foreign countries, including those relating to domestic and international political, social, economic and regulatory factors; (h) risks and uncertainties associated with our ongoing acquisition and divestiture activities; (i) the timing of and the realization of anticipated cost savings from restructuring initiatives and the ability to identify additional cost savings opportunities; (j) risks related to the adequacy of our contingent liability reserves; (k) risks relating to the Covid pandemic; (l) risks related to adverse weather conditions or the impacts of climate change and natural disasters; (m) risks relating to the Russian invasion of Ukraine and other wars;(n) risks related to data breaches and data privacy violations; and (o) other risks detailed in our filings with the Securities and Exchange Commission, including the risk factors set forth in our Annual Report on Form 10-K for the year ended May 31, 2022, as the same may be updated from time to time. We do not undertake any obligation to publicly update or revise any forward- looking statements to reflect future events, information or circumstances that arise after the date of this presentation.

This presentation includes certain company data that do not directly conform to generally accepted accounting principles, or GAAP, and certain company data that has been restated for improved clarity, understanding and comparability, or pro forma. All non-GAAP data in this presentation are indicated by footnote. Tables reconciling such data with GAAP measures are available through our website, www.rpminc.com under Investor Information/Presentations.

Fiscal 2023 Second-Quarter Results | January 5, 2023	2

Record Q2-23 Results with Increased Sales and Margins

FINANCIAL HIGHLIGHTS

	$1.79B
	RECORD Q2 SALES
	+9.3%
ON TRACK TO EXCEED	$196.2M
$120M	RECORD Q2 EBIT ¹

MAP 2025 YEAR 1	+4.9%
EBIT IMPROVEMENT
TARGET
	$214.7M

RECORD Q2 ADJUSTED EBIT ¹

+36.4%

Consolidated Sales and Adjusted EBIT Growth

40%										36.4%
35%				Sales Growth			Adj. EBIT Growth (1)	33.1%
30%
25%
20%									17.1%
15%	13.0%	13.7%
11.7%
10%										9.3%
5%
	0.8%
0%
				Q3-22			Q4-22	Q1-23	Q2-23

Record Sales

Record Adjusted

EBIT

(1) EBIT and Adjusted EBIT are non-GAAP financial measures. Refer to Appendix for reconciliations between GAAP and non-GAAP measures.

Fiscal 2023 Second-Quarter Results | January 5, 2023	3

Record Q2 Sales For All Segments; Record Consolidated Q2 Adjusted EBIT

CPG	PCG	SPG	Consumer	Consolidated

Record Sales

Record

Adjusted EBIT¹

HIGHLIGHTS

• Record Q2 sales in all four segments, despite significant FX headwinds
• Sales driven by increased pricing in response to continued inflation
• Several businesses benefited from reshoring and infrastructure spending
• Improved material supply from insourcing and qualifying new suppliers
• Strong sales combined with MAP 2025 improvements resulted in record consolidated Q2 adjusted EBIT

(1) Adjusted EBIT is a non-GAAP financial measure. Refer to Appendix for reconciliations between GAAP and non-GAAP measures.

Fiscal 2023 Second-Quarter Results | January 5, 2023	4

Sales Growth in USD by Region | Q2-23

NORTH AMERICA	EUROPE
14% of total sales
79% of total sales	-11.7%

CONSOLIDATED

TOTAL+9.3%

+14.3%	ASIA/PACIFIC
	2% of total sales
	+3.3%
	AFRICA/MIDDLE EAST/
	OTHER FOREIGN
	1% of total sales
LATIN AMERICA	+6.0%
4% of total sales
+7.9%

Fiscal 2023 Second-Quarter Results | January 5, 2023	5