<!DOCTYPE html>
<html>
    <head>
        <title>Janus International Group Quarterly report pursuant to Section 13 or 15(d)</title>
        <link href="https://ir.stockpr.com/janusintl/stylesheets/ir.stockpr.css" rel="stylesheet" type="text/css">
        <script type="text/javascript" src="https://ir.stockpr.com/javascripts/ir.js"></script>
        <link rel="stylesheet" type="text/css" href="https://ir.stockpr.com/stylesheets/xbrl.css">
        <script type="text/javascript" src="https://d1io3yog0oux5.cloudfront.net/_f9321eef7aba9022850aa5ceac6ee8ba/janusintl/files/theme/js/aside/ir/_js/all.js"></script>
    </head>
    <body>
        <div class="xbrl-content">
            <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
            <div id="xbrl-menu-top">
                <div class="navigation">
                    <ul class="xbrl-sf-menu">
                        
                            <li>
                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/292">Cover</a>
                                <ul class="submenu">
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/292">Cover</a></li>
                                                                    </ul>
                            </li>
                                                    <li>
                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/293">Financial Statements</a>
                                <ul class="submenu">
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/293">Consolidated Balance Sheets</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/294">Consolidated Balance Sheets (Parenthetical)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/295">Consolidated Statements of Operations and Comprehensive Income</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/296">Consolidated Statement of Changes in Stockholders&#039; Equity</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/297">Consolidated statements of Cash Flows</a></li>
                                                                    </ul>
                            </li>
                                                    <li>
                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/298">Notes to Financial Statements</a>
                                <ul class="submenu">
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/298">Nature of Operations</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/299">Summary of Significant Accounting Policies</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/300">Inventories</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/301">Property and Equipment</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/302">Acquired Intangible Assets and Goodwill</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/303">Accrued Expenses</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/304">Line of Credit</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/305">Long Term Debt</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/306">Business Combination</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/307">Equity Incentive Plan and Unit Option Plan</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/308">Stockholders&#039; Equity</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/309">Related Party Transactions</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/310">Revenue Recognition</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/311">Income Taxes</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/312">Net Income Per Share</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/313">Segments Information</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/314">Significant Estimates and Concentrations</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/315">Subsequent Events</a></li>
                                                                    </ul>
                            </li>
                                                    <li>
                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/316">Accounting Policies</a>
                                <ul class="submenu">
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/316">Summary of Significant Accounting Policies (Policies)</a></li>
                                                                    </ul>
                            </li>
                                                    <li>
                                <a class="menu-item " href="/sec-filings/all-sec-filings/xbrl_doc_only/317">Notes Tables</a>
                                <ul class="submenu">
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/317">Summary of Significant Accounting Policies (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/318">Inventories (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/319">Property and Equipment (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/320">Acquired Intangible Assets and Goodwill (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/321">Accrued Expenses (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/322">Long Term Debt (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/323">Business Combinations and Asset Acquisitions (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/324">Stockholders&#039; Equity (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/325">Revenue Recognition (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/326">Net Income Per Share (Tables)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/327">Segments Information (Tables)</a></li>
                                                                    </ul>
                            </li>
                                                    <li>
                                <a class="menu-item current" href="/sec-filings/all-sec-filings/xbrl_doc_only/328">Notes Details</a>
                                <ul class="submenu">
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/328">Nature of Operations - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/329">Summary of Significant Accounting Policies - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/330">Summary of Significant Accounting Policies - Summary of the estimated useful lives for each major depreciable classification of property and equipment (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/331">Summary of Significant Accounting Policies - Valuation Techniques (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/332">Summary of Significant Accounting Policies - Change in Fair Value (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/333">Summary of Significant Accounting Policies - Restatement Balance Sheet (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/334">Summary of Significant Accounting Policies - Income Statement (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/335">Summary of Significant Accounting Policies - Segment Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/336">Summary of Significant Accounting Policies - Stockhdolders Equity (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/337">Summary of Significant Accounting Policies - Cash Flows (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/338">Inventories - Summary Of Major Components Of Inventories (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/339">Property and Equipment - Summary Of Property, Equipment, and Other Fixed Assets (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/340">Acquired Intangible Assets and Goodwill - Summary Of Intangible Assets Net (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/341">Acquired Intangible Assets and Goodwill - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/342">Acquired Intangible Assets and Goodwill - Summary Of Changes In The Carrying Amounts Of Goodwill (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/343">Accrued Expenses - Summary Of Accrued Expenses (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/344">Accrued Expenses - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/345">Line of Credit - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/346">Long Term Debt - Summary of Long-term Debt Instruments (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/347">Long Term Debt - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/348">Long Term Debt - Summary of Maturities of Long-term Debt (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/349">Business Combination - Additional information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/350">Business Combinations - Assets Acquired and Liabilities Assumed (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/351">Business Combinations - Assets Acquired (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/352">Business Combinations - Pro Forma (Details)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/353">Equity Incentive Plan and Unit Option Plan - Additional information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/354">Stockholders&#039; Equity - Additional information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/355">Stockholders&#039; Equity - Summary of Common Stock Holdings (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/356">Related Party Transactions - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/357">Revenue Recognition - Summary of Contract balances (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/358">Revenue Recognition - Additional information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/359">Revenue Recognition - Summary of Disaggregation of Revenue (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/360">Income Taxes - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/361">Net Income Per Share - Summary Of Earnings Per Shares, Basic and Diluted (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/362">Segments Information - Additional Information (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/363">Segments Information - Summary of Financial Information for the Company&#039;s Segments (Detail)</a></li>
                                                                            <li><a href="/sec-filings/all-sec-filings/xbrl_doc_only/364">Significant Estimates and Concentrations - Additional Information (Detail)</a></li>
                                                                    </ul>
                            </li>
                                            </ul>
                </div>
            </div>
            <div class="spr-xbrl-document">
                <h4>Segments Information - Additional Information (Detail)</h4>
                                <div style="clear:both;"></div>
            </div>
        </div>
    </body>
</html>