<SUBMISSION>
<ACCESSION-NUMBER>0001070235-05-000065
<TYPE>6-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20050413
<FILING-DATE>20050413
<DATE-OF-FILING-DATE-CHANGE>20050413
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>RESEARCH IN MOTION LTD
<CIK>0001070235
<ASSIGNED-SIC>3661
<IRS-NUMBER>000000000
<FISCAL-YEAR-END>0228
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>6-K
<ACT>34
<FILE-NUMBER>000-29898
<FILM-NUMBER>05748673
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>295 PHILLIP ST
<STREET2>WATERLOO
<CITY>ONTARIO CANADA
<STATE>A6
<ZIP>00000
<PHONE>5198887465
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>295 PHILLIP STREET
<STREET2>WATERLOO, ONTARIO N2L 3W8
<CITY>ONTARIO
<STATE>A6
<ZIP>N2L 3W8
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>pr041305.htm
<DESCRIPTION>PR041305 - 2 RELEASES
<TEXT>
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     <!-- Control Number: 001                                                              -->
     <!-- Rev Number:     PR041305                                                         -->
     <!-- Client Name:    Investor Relations                                               -->
     <!-- Project Name:   PR041305 - 2 releases                                            -->
     <!-- Firm Name:      Research In Motion                                               -->
     <TITLE>PR041305 - 2 releases</TITLE>
</HEAD>
<BODY>










<!-- MARKER FORMAT-SHEET="Width Begin" FSL="Project" -->
<TABLE WIDTH=600 CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD><div align="center"><font face="Times New Roman, Times, Serif" size=2><u><b>FORM
  6-K</b></u></font><BR><A NAME=A003></A></div><P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>SECURITIES
AND EXCHANGE COMMISSION </FONT></P>

<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Washington, D.C. 20549 </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Minor Center" FSL="Default" -->
<A NAME=A005></A>
<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Report of Foreign
Private Issuer </FONT></P>

<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Pursuant to Rule 13a-16
or 15d-16 of </FONT></P>

<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>the Securities Exchange Act
of 1934 </FONT></P>
<!-- MARKER FORMAT-SHEET="Width End" FSL="Project" -->
</TD>
</TR>
</TABLE>
<BR>
<p>&nbsp;</p>
<table width="600" border="0">
  <tr>
    <td width="230">For the month of</td>
    <td width="236"><b>April</b>
      <hr>
    </td>
    <td width="112"><b>2005</b>
      <hr>
    </td>
  </tr>
  <tr>
    <td width="230"><font face="Times New Roman, Times, Serif" size=2>Commission
      File Number</font></td>
    <td width="236"><b><font face="Times New Roman, Times, Serif" size=2>000-29898
      </font></b>
      <hr>
      <b><font face="Times New Roman, Times, Serif" size=2> </font></b></td>
    <td width="112">
      &nbsp;<hr>
    </td>
  </tr>
  <tr>
    <td colspan="3">
      <div align="center"> <font face="Times New Roman, Times, Serif" size=3><b>Research
        In Motion Limited</b> </font>
        <hr>
        (Translation of registrant&#146;s name into English)</div>
    </td>
  </tr>
  <tr>
    <td colspan="3">
      <div align="center">295 Phillip Street, <br>
        Waterloo, Ontario, Canada <br>
        N2L 3W8 </div>
    </td>
  </tr>
  <tr>
    <td colspan="3">
      <div align="center"><font face="Times New Roman, Times, Serif" size=2>(Address
        of principal executive offices) </font></div>
    </td>
  </tr>
</table>

<P>&nbsp;</P>

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<TABLE WIDTH=600 CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark whether the registrant files or will file annual reports under cover Form
20-F or Form 40F.  </FONT></TD></TR>
</TABLE>
<div align="center"><BR>
  <table width="427" border="0">
    <tr>
      <td width="200"><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Form 20-F
        ___________</font></td>
      <td width="217"><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Form 40-F_____<u>X</u>_______</font></td>
    </tr>
  </table>
  <!-- MARKER FORMAT-SHEET="Para Indent 0" FSL="Project" -->
</div>
<br>
<TABLE WIDTH=600 CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark         if the registrant is submitting the Form&nbsp;6-K in paper as
permitted         by Regulation&nbsp;S-T Rule&nbsp;101(b)(1):________________  </FONT></TD></TR>
</TABLE>
<BR>

<!-- MARKER FORMAT-SHEET="Para Indent 0" FSL="Project" -->
<TABLE WIDTH=600 CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark if   the registrant is submitting the Form&nbsp;6-K in paper as permitted
by Regulation&nbsp;S-T   Rule&nbsp;101(b)(7):________________  </FONT></TD></TR>
</TABLE>
<BR>

<!-- MARKER FORMAT-SHEET="Para Indent 0" FSL="Project" -->
<TABLE WIDTH=600 CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark whether by furnishing the information contained in this Form, the
registrant is also thereby furnishing the information to the Commission pursuant to Rule
12g3-2(b) under the Securities Exchange Act of 1934.  </FONT></TD></TR>
</TABLE>
<div align="center"><BR>
  <table width="441" border="0">
    <tr>
      <td> <FONT FACE="Times New Roman, Times, Serif" SIZE=2>Yes__________________</font></td>
      <td><FONT FACE="Times New Roman, Times, Serif" SIZE=2>No________<u>X</u>__________</font></td>
    </tr>
  </table>
  <br>
  <!-- MARKER FORMAT-SHEET="Para Indent 0" FSL="Project" -->
</div>
<TABLE WIDTH=600 CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR VALIGN=TOP>
<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
"Yes" is marked, indicate below the file number assigned to the registrant   in
connection with Rule 12g3-2(b) : 82-_______________  </FONT></TD></TR>
</TABLE>
<BR>

<!-- MARKER FORMAT-SHEET="Head Major Center Bold" FSL="Default" -->
<!-- MARKER FORMAT-SHEET="Width Begin" FSL="Project" -->
<TABLE WIDTH=600 CELLSPACING=0 CELLPADDING=0 BORDER=0>
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<TD>
<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>DOCUMENT INDEX </FONT></H1>
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</TD>
</TR>
</TABLE>
<BR>
<!-- MARKER FORMAT-SHEET="Head Sub 1 Left" FSL="Default" -->
<A NAME=A011></A>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2><I>&nbsp;&nbsp;&nbsp;
  .</I> </FONT></P>

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               <TABLE WIDTH=600 CELLPADDING=0 CELLSPACING=0>
                    <TR VALIGN=TOP>

    <TD ALIGN=RIGHT WIDTH=8%>
      <div align="center">
        <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Document</FONT></p>
        <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>1. </FONT></p><BR><BR>
 <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>2. </FONT></p><BR><BR>

      </div>
    </TD>

    <TD ALIGN=LEFT WIDTH=81%>
      <p>&nbsp;</p>
      <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>News Release dated April 13, 2005
 (&#147;3 Hong Kong and RIM Introduce BlackBerry Built-In for the Siemens SK65 Handset&quot;)</FONT></p>
<p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>News Release dated April 13, 2005
 (&#147;EarthLink Wireless Introduces BlackBerry 7250 with Bluetooth Support&quot;)</FONT></p>


    </TD>

    <TD WIDTH=11%>
      <P ALIGN=center><FONT FACE="Times New Roman, Times, Serif" SIZE=2> Page
        No</FONT></P>
      <P ALIGN=center><FONT FACE="Times New Roman, Times, Serif" SIZE=2>1 </FONT></P><BR>
<P ALIGN=center><FONT FACE="Times New Roman, Times, Serif" SIZE=2>1</FONT></P><BR>

    </TD>
                    </TR>
                    </TABLE>
                    <BR>


<!-- MARKER PAGE="sheet: 2; page: 2" -->
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<P ALIGN=RIGHT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Document 1 </FONT></P>
<HR SIZE=5 COLOR=GRAY NOSHADE>



<!-- MARKER FORMAT-SHEET="Head Left" FSL="Default" -->


<!-- MARKER FORMAT-SHEET="Head Right" FSL="Default" -->
<A NAME=A001></A>
<P ALIGN=RIGHT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>April 13, 2005 </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Major Left Bold" FSL="Default" -->

<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>FOR IMMEDIATE RELEASE </FONT></H1>

<!-- MARKER FORMAT-SHEET="Head Major Left Bold" FSL="Default" -->

<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>3 Hong Kong and RIM
Introduce BlackBerry Built-In for the Siemens SK65 Handset </FONT></H1>

<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Hong Kong and Waterloo,  ON -3 Hong Kong has  introduced the Siemens SK65 handset with  BlackBerry  Built-In&#153; technology  developed by
Research In Motion (RIM) (Nasdaq:  RIMM; TSX: RIM). The Siemens SK65 features  BlackBerry Email&#153;,  BlackBerry  Calendar&#153; and BlackBerry
Browser&#153; applications.</FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>3 Hong Kong&#146;s customers will be
able to benefit from a full BlackBerry&reg; experience with &#145;always-on&#146;,
push-based access to email and calendar on the stylish Siemens SK65. The Siemens SK65 will
be able to connect to BlackBerry services via both BlackBerry Enterprise Server&#153; and
BlackBerry Internet Service&#153;. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Ideal for mobile professionals, the
Siemens SK65 features a large color screen, a full-size keyboard (37 illuminated keys)
which is revealed by twisting open the phone, up to 25 MB internal storage space free for
managing large amounts of data, Bluetooth&reg; wireless connectivity and tri-band
functionality. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>For corporate customers, BlackBerry
Enterprise Server software tightly integrates with Microsoft&reg; Exchange and IBM
Lotus&reg; Domino&#153; and works with existing enterprise systems to enable secure,
push-based, end-to-end, wireless access to email and other corporate data. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>For individuals and smaller
businesses, BlackBerry Internet Service&#153; allows users to access up to ten corporate
and/or personal email accounts (including Microsoft Exchange, IBM Lotus Domino, and many
popular ISP email accounts) from a single device. </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Major Left Bold" FSL="Default" -->
<A NAME=A004></A>
<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>About Research In Motion
(RIM) </FONT></H1>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Research In Motion is a leading
designer, manufacturer and marketer of innovative wireless solutions for the worldwide
mobile communications market. Through the development of integrated hardware, software and
services that support multiple wireless network standards, RIM provides platforms and
solutions for seamless access to time-sensitive information including email, phone, SMS
messaging, Internet and intranet-based applications. RIM technology also enables a broad
array of third party developers and manufacturers to enhance their products and services
with wireless connectivity to data. RIM&#146;s portfolio of award-winning products,
services and embedded technologies are used by thousands of organizations around the world
and include the BlackBerry&reg; wireless platform, the RIM Wireless Handheld&#153; product
line, software development tools, radio-modems and software/hardware licensing agreements.
Founded in 1984 and based in Waterloo, Ontario, RIM operates offices in North America,
Europe&nbsp;and Asia Pacific. RIM is listed on the Nasdaq Stock Market (Nasdaq: RIMM) and
the Toronto Stock Exchange (TSX: RIM). For more information, visit www.rim.com&nbsp;or
www.blackberry.com. </FONT></P>

<!-- MARKER FORMAT-SHEET="Center Rule" FSL="Default" -->
     <P ALIGN=CENTER>_________________ </P>

<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
<B>Media Contacts:</B><BR>
Courtney Flaherty<BR>
Brodeur Worldwide for RIM<BR>
+1 (212) 771-3637<BR>
cflaherty@brodeur.com<BR><BR>

<B>Investor Contact:</B><BR>
Research In Motion Investor Relations<BR>
1 (519) 888-7465<BR>
investor_relations@rim.com<BR><BR>
</FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Forward-looking statements in this
news release are made pursuant to the &#147;safe harbor&#148; provisions of the United
States Private Securities Litigation Reform Act of 1995. When used herein, words such as
&#147;intend&#148; and similar expressions are intended to identify forward-looking
statements. Forward-looking statements are based on assumptions made by and information
available to Research In Motion Limited. Investors are cautioned that such forward-looking
statements involve risks and uncertainties. Important factors that could cause actual
results to differ materially from those expressed or implied by such forward looking
statements include, without limitation, possible product defects and product liability,
risks related to international sales and potential foreign currency exchange fluctuations,
the initiation or outcome of litigation, acts or potential acts of terrorism,
international conflicts, significant fluctuations of quarterly operating results, changes
in Canadian and foreign laws and regulations, continued acceptance of RIM&#146;s products,
increased levels of competition, technological changes and the successful development of
new products, dependence on third-party networks to provide services, dependence on
intellectual property rights and other risks and factors detailed from time to time in
RIM&#146;s periodic reports filed with the United States Securities and Exchange
Commission, and other regulatory authorities. The Company has no intention or obligation
to update or revise any forward-looking statements, whether as a result of new
information, future events or otherwise. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>The BlackBerry and RIM families of
related marks, images and symbols are the exclusive properties and trademarks of Research
In Motion Limited. RIM, Research In Motion and BlackBerry are registered with the U.S.
Patent and Trademark Office and may be pending or registered in other countries. All other
brands, product names, company names, trademarks and service marks are the properties of
their respective owners. </FONT></P>
















<!-- MARKER PAGE="sheet: 2; page: 2" -->
<HR SIZE=5 COLOR=GRAY NOSHADE>
<P ALIGN=RIGHT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Document 2 </FONT></P>
<HR SIZE=5 COLOR=GRAY NOSHADE>



<!-- MARKER FORMAT-SHEET="Head Right" FSL="Default" -->

<P ALIGN=RIGHT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>April 13, 2005 </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Left" FSL="Default" -->

<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3><B>FOR IMMEDIATE RELEASE </B></FONT></P>

<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3><B>
EarthLink Wireless Introduces BlackBerry 7250 with Bluetooth Support</B></FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Atlanta and Waterloo, ON
&#151;EarthLink Wireless, a branded service operated by SK-EarthLink, and Research In
Motion (RIM) (Nasdaq: RIMM; TSX: RIM) today announced the introduction of the
Bluetooth-enabled BlackBerry 7250 Wireless Handheld&#153;. This powerful and versatile
offering, built on the BlackBerry&reg; platform combines support for phone, email,
Internet, intranet, text messaging, and organizer applications in a single, integrated
device that enables users to perform multiple tasks on the go. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>EarthLink Wireless&#146; offering
also includes exclusive features and services, such as award-winning customer service and
EarthLink&#146;s spam and virus blocking technology, which blocks virtually 100% of
unwanted email messages before they reach the wireless handheld. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&#147;The BlackBerry 7250 with
enhanced memory and Bluetooth is just what our communications-savvy customers have been
clamoring for,&#148; said Brent Cobb, Executive Vice President of Strategy &amp; Business
Development at SK-EarthLink. &#147;The combination of this market-leading BlackBerry
handheld, fast, reliable wireless email, Internet and phone service, as well as
EarthLink&#146;s exclusive protection suite of spam and virus blocking services,
represents an unmatched suite of services.&#148; </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>The new BlackBerry 7250&#153; now
supports Bluetooth for wireless hands-free voice calling with a wireless headset or car
kit. Its small, convenient shape encompasses an easy-to-use, back-lit QWERTY keyboard as
well as a sharp, back-lit color screen that supports over 65,000 colors and
user-selectable font sizes. The BlackBerry 7250 sports 32 MB of flash memory and 4 MB
SRAM. This powerful device can also integrate with the new BlackBerry Enterprise
Server&#153; v4.0 which provides enhanced wireless synchronization, attachment viewing and
IT management capabilities. &#147;The BlackBerry 7250 is a brilliantly engineered wireless
device that optimizes form, function and performance for mobile professionals that want to
stay connected and productive while away from the office,&#148; said Mark Guibert, Vice
President, Corporate Marketing at Research In Motion. &#147;We are delighted that
EarthLink Wireless continues to expand upon its suite of products and services with the
introduction of the BlackBerry 7250.&#148; The BlackBerry 7250 from EarthLink Wireless
offers users the proven and popular, push-based, BlackBerry wireless email capabilities; a
high-quality cell phone with integrated microphone and earpiece; Internet access with a
full featured HTML browser; attachment viewing, which allows users to read Microsoft
Office, PDF, JPEG, TIFF, PNG, BMP and GIF attachments; Bluetooth capabilities with support
for hands-free voice communications; an organizer to manage calendar, contacts and tasks
and synchronize with your PC; text messaging; advanced security; and optimized wireless
and battery performance. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>For corporate customers, BlackBerry
Enterprise Server software tightly integrates with Microsoft&reg; Exchange, IBM Lotus&reg;
Domino&#153; and Novell GroupWise&reg; and works with existing enterprise systems to
enable secure, push-based, wireless access to email and other corporate data. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>EarthLink Wireless offers a range of
affordable pricing plans, which include unlimited data and free night and weekend calling
as standard, starting at $39.95 per month. For an additional $39.95 per month, customers
get 500 anytime minutes.&nbsp; Customers can also keep their existing mobile numbers when
they switch their current service to EarthLink Wireless and can rely on support from a
dedicated BlackBerry&reg;&#150;trained support team. Available today, the BlackBerry 7250
operates on a CDMA2000 1x wireless networks in North America. For more information or to
sign up, visit www.earthlink.net/wireless or call 1-800-EARTHLINK. </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Left" FSL="Default" -->

<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2><B>About EarthLink Wireless </B></FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>EarthLink Wireless is a branded
service line of newly established SK-EarthLink, a joint venture between industry leaders
SK Telecom (NYSE: SKM) and EarthLink (NASDAQ: ELNK). This new wireless company is
dedicated to bringing the next generation of high speed mobile communications, business
and entertainment to a wireless world. For more information, visit www.sk-earthlink.com or
call 1-888-304-2773. </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Left" FSL="Default" -->

<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=2><B>About Research In Motion
(RIM) </B></FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Research In Motion is a leading
designer, manufacturer and marketer of innovative wireless solutions for the worldwide
mobile communications market. Through the development of integrated hardware, software and
services that support multiple wireless network standards, RIM provides platforms and
solutions for seamless access to time-sensitive information including email, phone, SMS
messaging, Internet and intranet-based applications. RIM technology also enables a broad
array of third party developers and manufacturers to enhance their products and services
with wireless connectivity to data. RIM&#146;s portfolio of award-winning products,
services and embedded technologies are used by thousands of organizations around the world
and include the BlackBerry&reg; wireless platform, the RIM Wireless Handheld&#153; product
line, software development tools, radio-modems and software/hardware licensing agreements.
Founded in 1984 and based in Waterloo, Ontario, RIM operates offices in North America,
Europe and Asia Pacific. RIM is listed on the Nasdaq Stock Market (Nasdaq: RIMM) and the
Toronto Stock Exchange (TSX: RIM). For more information, visit www.rim.com or
www.blackberry.com. </FONT></P>

<!-- MARKER FORMAT-SHEET="Center Rule" FSL="Default" -->
     <P ALIGN=CENTER>_________________ </P>

<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>
<B>Media Contacts:</B><BR>
Brooke Hammerling<BR>
For EarthLink Wireless<BR>
+1 (415) 596-5428<BR>
brooke.hammerling@zenogroup.com<BR><BR>

Courtney Flaherty<BR>
Brodeur for RIM<BR>
+1 (212) 771-3637<BR>
cflaherty@brodeur.com<BR><BR>

<B>Investor Relations Contact:</B><BR>
RIM Investor Relations<BR>
+1 (519) 888-7465<BR>
investor_relations@rim.com<BR><BR>
</FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Forward-looking statements in this
news release are made pursuant to the &#147;safe harbor&#148; provisions of the United
States Private Securities Litigation Reform Act of 1995. When used herein, words such as
&#147;intend&#148; and similar expressions are intended to identify forward-looking
statements. Forward-looking statements are based on assumptions made by and information
available to Research In Motion Limited. Investors are cautioned that such forward-looking
statements involve risks and uncertainties. Important factors that could cause actual
results to differ materially from those expressed or implied by such forward looking
statements include, without limitation, possible product defects and product liability,
risks related to international sales and potential foreign currency exchange fluctuations,
the initiation or outcome of litigation, acts or potential acts of terrorism,
international conflicts, significant fluctuations of quarterly operating results, changes
in Canadian and foreign laws and regulations, continued acceptance of RIM&#146;s products,
increased levels of competition, technological changes and the successful development of
new products, dependence on third-party networks to provide services, dependence on
intellectual property rights and other risks and factors detailed from time to time in
RIM&#146;s periodic reports filed with the United States Securities and Exchange
Commission, and other regulatory authorities. The Company has no intention or obligation
to update or revise any forward-looking statements, whether as a result of new
information, future events or otherwise. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>The BlackBerry and RIM families of
related marks, images and symbols are the exclusive properties and trademarks of Research
In Motion Limited. RIM, Research In Motion and BlackBerry are registered with the U.S.
Patent and Trademark Office and may be pending or registered in other countries. All other
brands, product names, company names, trademarks and service marks are the properties of
their respective owners. </FONT></P>



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<TD><H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>SIGNATURES
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<TD><P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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, thereunto   duly
authorized. </FONT></P><P>&nbsp;
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<p></P><table width="600" border="0"><tr><td width="33">&nbsp;</td><td width="209">&nbsp;</td><td colspan="2"><div align="center"><b><font face="Times New Roman, Times, Serif" size=3>Research
        In Motion Limited </font></b></div><hr><div align="center">(Registrant) </div></td></tr><tr><td width="33">Date:</td><td width="209"><div align="center"><u>April 13, 2005</u></div></td><td width="59">By:</td><td width="271">/s/ Rob Duncan <hr><div align="center">(Signature)
</div></td></tr><tr><td width="33">&nbsp;</td><td width="209">&nbsp;</td><td width="59">&nbsp;</td><td width="271">Rob Duncan</td></tr><tr><td width="33">&nbsp;</td><td width="209">&nbsp;</td><td width="59">&nbsp;</td><td width="271">Vice President, Corporate Controller</td></tr></table>



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