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<ACCESSION-NUMBER>0001721868-20-000667
<TYPE>424B3
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<FILING-DATE>20201231
<DATE-OF-FILING-DATE-CHANGE>20201231
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<CONFORMED-NAME>ALR TECHNOLOGIES INC.
<CIK>0001087022
<ASSIGNED-SIC>3669
<IRS-NUMBER>880225807
<STATE-OF-INCORPORATION>NV
<FISCAL-YEAR-END>1231
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<FORM-TYPE>424B3
<ACT>33
<FILE-NUMBER>333-249835
<FILM-NUMBER>201429048
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>7400 BEAUFONT SPRINGS DRIVE
<STREET2>SUITE 300
<CITY>RICHMOND
<STATE>VA
<ZIP>23225
<PHONE>(804) 554-3500
</BUSINESS-ADDRESS>
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<STREET1>7400 BEAUFONT SPRINGS DRIVE
<STREET2>SUITE 300
<CITY>RICHMOND
<STATE>VA
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<FORMER-CONFORMED-NAME>ALR TECHNOLOGIES INC
<DATE-CHANGED>19990524
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<P STYLE="font: 4.5pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 48%; border: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Prospectus Supplement No. 2</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(To Prospectus Dated December 4, 2020)</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P></TD>
    <TD STYLE="width: 52%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 160pt">Filed Pursuant to Rule 424(b)(3)</P>
        <P STYLE="text-align: right; font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 142.6pt">Registration No.333-249835</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0.1pt 0 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0.05pt 80.55pt 0; text-align: center"><B>ALR TECHNOLOGIES INC.</B></P>

<P STYLE="font: 10.5pt Times New Roman, Times, Serif; margin: 0.4pt 0 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 81.05pt 0 78.8pt; text-align: center"><B>Up to 127,522,227 Shares
of Common Stock</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 1.25pt 81.05pt 0 78.7pt; text-align: center"><B>Issuable Upon the Exercise
of Rights to Subscribe for such Shares at $0.05 per Share</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">This prospectus supplement
(the &#8220;Prospectus Supplement&#8221;) filed by ALR Technologies Inc. (&#8220;we&#8221;, &#8220;us&#8221;, &#8220;our&#8221;,
and the &#8220;Company&#8221;) updates and supplements the Company&#8217;s prospectus dated December 4, 2020 (the &#8220;Prospectus&#8221;),
which forms a part of our Registration Statement on Form S-1, as amended (Registration No. 333-249835). This Prospectus Supplement
is being filed to update and supplement the information in the Prospectus with the information contained in our Report on Form
8-K, furnished with the Securities and Exchange Commission on December 31, 2020 (the &#8220;Form 8-K&#8221;). Accordingly, we have
attached the Form 8-K to this Prospectus Supplement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">This prospectus supplement updates, amends and
supplements the information included or incorporated by reference in the Prospectus and should be read in conjunction with the
Prospect. If there is any inconsistency between the information in the Prospectus and this Prospectus Supplement, you should rely
on the information in this Prospectus Supplement. This prospectus supplement is not complete without, and may not be delivered
or utilized except in connection with, the Prospectus, including any amendments or supplements to it.</P>

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Company&#8217;s common stock is quoted
on the OTC Markets quotation system under the symbol &#8220;ALRT.&#8221; On December 30, 2020, the closing sale price of the Company&#8217;s
common stock was $0.047 per share.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in"><B>Neither the Securities
and Exchange Commission nor any state securities commission has approved or&nbsp;disapproved of the securities described herein
or passed upon the adequacy or accuracy of this Prospectus Supplement or the Prospectus. Any&nbsp;representation to the contrary
is a criminal offense.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">The date of this Prospectus Supplement is December
31, 2020.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0.1pt 0 0">&nbsp;</P>


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<P STYLE="margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>UNITED STATES</B></FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>SECURITIES AND EXCHANGE COMMISSION</B></FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>WASHINGTON, D.C. 20549</B></FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>FORM <FONT ID="xdx_90B_edei--DocumentType_c20201230__20201230_z8EceMUvBvg2">8-K</FONT></B></FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>CURRENT REPORT</B></FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Pursuant to Section 13 or 15(d) of
the</B></FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Securities Exchange Act of 1934</B></FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Date of Report (Date of earliest event
reported): <FONT ID="xdx_90F_edei--DocumentPeriodEndDate_c20201230__20201230_zNHxEohCogW5">December 30, 2020</FONT></FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

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<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(Exact Name of Registrant as Specified
in Charter)</FONT></P>

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<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="text-align: center; margin-right: 0; margin-bottom: 0; margin-left: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><FONT STYLE="text-decoration: underline"><FONT ID="xdx_901_edei--EntityAddressAddressLine1_c20201230__20201230_zgu3Pi2lCm69">7400
Beaufont Springs Drive</FONT>, <FONT ID="xdx_90A_edei--EntityAddressAddressLine2_c20201230__20201230_z6XaeqqogCd6">Suite 300</FONT>, <FONT ID="xdx_905_edei--EntityAddressCityOrTown_c20201230__20201230_zEUIZDUD4ePd">Richmond</FONT>,
<FONT ID="xdx_90F_edei--EntityAddressStateOrProvince_c20201230__20201230_zz8uuqV1NSqe">Virginia</FONT> <FONT ID="xdx_905_edei--EntityAddressPostalZipCode_c20201230__20201230_zEKKodGJHIQl">23225
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<P STYLE="text-align: center; margin-top: 0; margin-right: 0; margin-left: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(Address
of Principal Executive Offices) (Zip Code)</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><FONT STYLE="text-decoration: underline"><FONT ID="xdx_90B_edei--CityAreaCode_c20201230__20201230_zPfcbhl9uywi">(804)</FONT>
<FONT ID="xdx_904_edei--LocalPhoneNumber_c20201230__20201230_z9IziInimfMa">554-3500</FONT></FONT></B></FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Registrant&#8217;s telephone number, including
area code</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(Former Name or Former Address</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">if Changed Since Last Report)</FONT></P>

<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Check the appropriate box below if the
Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

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    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></TD></TR>
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    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><FONT ID="xdx_902_edei--SolicitingMaterial_c20201230__20201230_zQgb5Mgoyk87">[&#160;&#160;]</FONT>
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    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></TD>
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    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Pre-commencement communications pursuant to Rule 14d-2(b)
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    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">

    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><FONT ID="xdx_908_edei--PreCommencementIssuerTenderOffer_c20201230__20201230_zzVADyq31vAk">[&#160;&#160;]</FONT>
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<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

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        of each class</B></FONT></TD>
    <TD STYLE="width: 1%; padding-bottom: 1.5pt; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></TD>
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        Symbol(s)</B></FONT></TD>
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        Shares</FONT></FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></TD>
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<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Indicate by check mark whether the registrant
is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule 12b-2 of the
Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Emerging growth company <FONT ID="xdx_90B_edei--EntityEmergingGrowthCompany_c20201230__20201230_zSvqI0LKx2bh">&#9744;</FONT></FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">If an emerging growth company, indicate
by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial
accounting standards provided pursuant to Section 13(a) of the Exchange Act. &#9744;</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

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<DIV STYLE="break-before: page; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&#160;</TD></TR></TABLE></DIV>
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<P STYLE="margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0"></TD>
    <TD STYLE="width: 1in"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>ITEM 8.01</B></FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>OTHER ITEMS</B></FONT></TD></TR>
  </TABLE>

<P STYLE="text-align: justify; margin-right: 0; margin-left: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><I>Modification
of Rights Offering Expiration Date</I></FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Pursuant to
its Registration Statement on Form S-1 (Registration No. 333-249835) and Prospectus dated December 4, 2020, as amended and supplemented,
ALR Technologies Inc. (&#8220;we&#8221;, &#8220;us&#8221;, &#8220;our&#8221;, and the &#8220;Company&#8221;) has distributed,
at no charge to our stockholders, non-transferable subscription rights to purchase up to an aggregate of 127,522,227 shares of
our common stock, $0.001 par value per share (the &#8220;Rights Offering&#8221;).</FONT></P>

<P STYLE="font: 10.5pt Times New Roman, Times, Serif; margin: 0.1pt 0 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>On December
30, 2020, the board of directors of the Company approved an extension of the Rights Offering until January 22, 2021, in order
to accommodate delays in the mailing of offering materials resulting from the holiday season. </B>Any Subscription Rights that
are not exercised prior to 5:00 p.m., Eastern Time, on the January 22, 2021 (the &#8220;Expiration Date&#8221;) will expire, have
no value and cease to be exercisable for shares of Common Stock.</FONT></P>

<P STYLE="font: 10.5pt Times New Roman, Times, Serif; margin: 0.05pt 0 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The Company
has incorporated into this Current Report on Form 8-K (as exhibits 99.1 through 99.8) revised offering materials which reflect
the new Expiration Date. New offering materials will not be mailed to the registered and beneficial holders of record on the record
date of the Rights Offering, however previously distributed materials will be accepted and honored on their terms until 5:00 p.m.,
Eastern Time on January 22, 2021. In addition, Notices of Guaranteed delivery will be accepted by the subscription agent until
5 pm Eastern Time on January 26, 2021, being the second business day following the Expiration Date.</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Shareholders or their representatives
may obtain additional information regarding the Rights Offering by contacting the Company&#8217;s information agent, Pacific Stock Transfer
Company, toll free at (800)785-7782, by email at info@pacificstocktransfer.com, or by mail at 6725 Via Austi Pkwy Suite 300, Las Vegas,
NV 89119, United States.</FONT></P>

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<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><I>Rights Offering Documents</I></FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0"></TD>
    <TD STYLE="width: 1in"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>ITEM 9.01</B></FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>FINANCIAL STATEMENTS AND EXHIBITS</B></FONT></TD></TR>
  </TABLE>

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  <TR STYLE="vertical-align: top">
    <TD STYLE="border: Black 1pt solid; width: 6%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>99.1</B></FONT></TD>
    <TD STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; width: 94%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><A HREF="https://www.sec.gov/Archives/edgar/data/1087022/000172186820000664/f2salr8k123020ex99_1.htm">Letter to Record Holders</A></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>99.2</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><A HREF="https://www.sec.gov/Archives/edgar/data/1087022/000172186820000664/f2salr8k123020ex99_2.htm">Letter to Beneficial Holders</A></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>99.3</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><A HREF="https://www.sec.gov/Archives/edgar/data/1087022/000172186820000664/f2salr8k123020ex99_3.htm">Form of Rights Certificate (and Instructions for Use of Rights Certificate)</A></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>99.4</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><A HREF="https://www.sec.gov/Archives/edgar/data/1087022/000172186820000664/f2salr8k123020ex99_4.htm">Form of Notice of Guaranteed Delivery</A></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>99.5</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><A HREF="https://www.sec.gov/Archives/edgar/data/1087022/000172186820000664/f2salr8k123020ex99_5.htm">Notice of Important Tax Information</A></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>99.6</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><A HREF="https://www.sec.gov/Archives/edgar/data/1087022/000172186820000664/f2salr8k123020ex99_6.htm">Form of Letter to Clients of Nominee Holders</A></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>99.7</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><A HREF="https://www.sec.gov/Archives/edgar/data/1087022/000172186820000664/f2salr8k123020ex99_7.htm">Form of Beneficial Holder Election Form</A></B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>99.8</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B><A HREF="https://www.sec.gov/Archives/edgar/data/1087022/000172186820000664/f2salr8k123020ex99_8.htm">Nominee Holder Certification Form</A></B></FONT></TD></TR>
  </TABLE>

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<P STYLE="margin: 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>SIGNATURES</B></FONT></P>

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<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</FONT></P>

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<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Dated: December 31, 2020</FONT></P>

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<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>ALR TECHNOLOGIES INC.</B></FONT></P>

<P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>&#160;</B></FONT></P>

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  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1.5pt solid; width: 50%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><I>/s/
        Sidney Chan</I></FONT></TD>
    <TD STYLE="width: 50%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Sidney Chan</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD>
        <P STYLE="margin: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Chief Executive Officer and</FONT></P>
        <P STYLE="margin: 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Chairman of the Board of Directors</FONT></P></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&#160;</FONT></TD></TR>
  </TABLE>

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