{\rtf1\deflang1033\deflangfe1033\margl720\margr720\margt360\margb360{\stylesheet{\fs20\lang1033\snext0 Normal;} {\s1\sb240\keepn{\*\pn \pnlvl1\pndec\pnprev1\pnstart1\pnsp144}\b\f0\fs30\lang1033 \sbasedon0\snext0 heading 1;} {\s2\sb200\keepn{\*\pn \pnlvl2\pndec\pnprev1\pnstart1\pnsp144{\pntxtb.}}\b\f0\fs26\lang1033 \sbasedon0\snext0 heading 2;} {\s3\sb180\keepn{\*\pn \pnlvl3\pndec\pnprev1\pnstart1\pnsp144{\pntxtb.}}\b\f0\fs22\lang1033 \sbasedon0\snext0 heading 3;} {\s4\sb160\keepn{\*\pn \pnlvl4\pnucltr\pnprev1\pnstart1\pnsp144{\pntxtb.}}\b\f0\fs22\lang1033 \sbasedon0\snext0 heading 4;} {\s5\sb140\keepn{\*\pn \pnlvl5\pncltr\pnprev1\pnstart1\pnsp144}\b\f0\fs20\lang1033 \sbasedon0\snext0 heading 5;} {\s6\tqc\lang1033\sbasedon0\snext6 footer;} {\*\cs16 \additive\super\sbasedon10 footnote reference;} {\*\cs18 \additive\sbasedon10 page number;}} {\fonttbl{\f0\fnil Times New Roman;}{\f1\fnil Courier New}{\f2005\fnil Courier New;}{\f2010\fnil Wingdings;}{\f2020\fnil Webdings;}{\f2\fnil Arial;}{\f3\fnil Arial;}{\f4\fnil LucidaHandwriting;}{\f5\fnil Symbol;}{\f6\fnil Symbol;}{\f7\fnil Ferdsch;}{\f30\fnil Myriad Cn Semibold;}{\f31\fnil Myriad Roman;}{\f50\fnil Courier New;}{\f51\fnil Times New Roman;}{\f52\fnil Arial;}{\f53\fnil Symbol;}{\f54\fnil Wingdings;}{\f55\fnil Wingdings 2;}{\f56\fnil Wingdings 3;}{\f57\fnil Webdings;}{\f58\fnil Arial Narrow;}{\f59\fnil Arial Unicode MS;}{\f60\fnil Cyberbit;}{\f61\fnil Morningstar 1U Light;}{\f62\fnil Calibri;}} {\colortbl;\red0\green0\blue0;\red127\green0\blue0;\red0\green0\blue255;\red127\green127\blue127;\red0\green51\blue153;\red255\green204\blue0;\red255\green255\blue255;\red246\green244\blue236;\red0\green0\blue0;\red153\green153\blue153;} {\*\bkmkstart filing_1}{\*\bkmkend filing_1}{\*\bkmkstart doc_1_1}{\*\bkmkend doc_1_1}\par\pard\plain\cf1\f51\fs20\b\qc As filed with the Securities and Exchange Commission on April\~26, 2018\par\pard\plain\cf1\f51\fs20\b\qr Registration Statement No.\~333-101295\par\pard\plain\cf1\f51\fs8\ql \~\par\pard\plain\brdrb\brdrs\cf1\f51\fs20\ql \~\par\pard\plain\brdrb\brdrs\sa44\cf1\f51\fs20\ql \~\par\pard\plain\sb88\cf1\f51\fs36\b\qc UNITED STATES\par\pard\plain\cf1\f51\fs36\b\qc SECURITIES AND EXCHANGE COMMISSION\par\pard\plain\cf1\f51\fs24\b\qc Washington, D.C. 20549\par\pard\plain\cf1\f51\fs24\ql \~\par\pard\plain\brdrb\brdrs\sa44\cf1\f51\fs20\qc \~\par\pard\plain\sb264\cf1\f51\fs36\b\qc POST-EFFECTIVE\par\pard\plain\cf1\f51\fs36\b\qc AMENDMENT NO. 4\par\pard\plain\cf1\f51\fs36\b\qc TO\par\pard\plain\cf1\f51\fs36\b\qc FORM S-8\par\pard\plain\cf1\f51\fs36\b\qc REGISTRATION STATEMENT\par\pard\plain\cf1\f51\fs24\b\i\qc UNDER\par\pard\plain\cf1\f51\fs24\b\i\qc THE SECURITIES ACT OF 1933\par\pard\plain\cf1\f51\fs24\ql \~\par\pard\plain\brdrb\brdrs\sa44\cf1\f51\fs20\qc \~\par\pard\plain\sb264\cf1\f51\fs48\b\qc Comcast Corporation\par\pard\plain\cf1\f51\fs20\b\qc (Exact name of registrant as specified in its charter)\par\pard\plain\cf1\f51\fs24\ql \~\par\pard\plain\brdrb\brdrs\sa44\cf1\f51\fs20\qc \~\par\pard\plain\cf1\f51\fs24\ql \~ \par\pard\plain {\trowd\clvertalc\cellx5508\clvertalb\cellx5723\clvertalc\cellx10800\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx5508\clvertalb\cellx5723\clvertalc\cellx10800\trrh66\row}}} {\trowd\clvertalc\cellx5508\clvertalc\cellx10800\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx5508\clvertalc\cellx10800\trrh66\row}}} {\trowd\cellx5508\clvertalb\cellx5723\cellx10800\trrh248 \pard\plain\intbl\cf1\f51\fs20\b\qc Pennsylvania\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\~\cell\pard\plain\intbl\cf1\f51\fs20\b\qc 27-0000798\cell{ {\trowd\cellx5508\clvertalb\cellx5723\cellx10800\trrh248\row}}} {\trowd\cellx5508\clvertalb\cellx5723\cellx10800\trrh418 \pard\plain\intbl\cf1\f51\fs16\b\qc (State or other jurisdiction\par\pard\plain\intbl\sa22\cf1\f51\fs16\b\qc of incorporation or organization)\cell\pard\plain\intbl\cf1\f51\fs16\ql \~\~\cell\pard\plain\intbl\cf1\f51\fs16\b\qc (I.R.S. Employer\par\pard\plain\intbl\sa22\cf1\f51\fs16\b\qc Identification No.)\cell{ {\trowd\cellx5508\clvertalb\cellx5723\cellx10800\trrh418\row}}} {\trowd\clvertalc\cellx5508\clvertalc\cellx10800\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx5508\clvertalc\cellx10800\trrh66\row}}} {\trowd\cellx5508\clvertalb\cellx5723\cellx10800\trrh248 \pard\plain\intbl\cf1\f51\fs20\b\qc One Comcast Center, Philadelphia, Pennsylvania\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\~\cell\pard\plain\intbl\cf1\f51\fs20\b\qc 19103-2838\cell{ {\trowd\cellx5508\clvertalb\cellx5723\cellx10800\trrh248\row}}} {\trowd\cellx5508\clvertalb\cellx5723\cellx10800\trrh198 \pard\plain\intbl\cf1\f51\fs16\b\qc (Address of Principal Executive Offices)\cell\pard\plain\intbl\cf1\f51\fs16\ql \~\~\cell\pard\plain\intbl\cf1\f51\fs16\b\qc (Zip Code)\cell{ {\trowd\cellx5508\clvertalb\cellx5723\cellx10800\trrh198\row}}}\pard\plain\sb264\cf1\f51\fs20\b\qc AT&T BROADBAND CORP. ADJUSTMENT PLAN\par\pard\plain\cf1\f51\fs20\b\qc AT&T BROADBAND DEFERRED COMPENSATION PLAN\par\pard\plain\cf1\f51\fs20\b\qc AT&T BROADBAND LONG TERM SAVINGS PLAN\par\pard\plain\cf1\f51\fs20\b\qc COMCAST CORPORATION 2002 DEFERRED COMPENSATION PLAN\par\pard\plain\cf1\f51\fs20\b\qc COMCAST CORPORATION 2002 DEFERRED STOCK OPTION PLAN\par\pard\plain\cf1\f51\fs20\b\qc COMCAST CORPORATION 2002 EMPLOYEE STOCK PURCHASE PLAN\par\pard\plain\cf1\f51\fs20\b\qc COMCAST CORPORATION RETIREMENT-INVESTMENT PLAN\par\pard\plain\cf1\f51\fs20\b\qc COMCAST CORPORATION 2002 RESTRICTED STOCK PLAN\par\pard\plain\cf1\f51\fs20\b\qc COMCAST CORPORATION 2002 STOCK OPTION PLAN\par\pard\plain\cf1\f51\fs20\b\qc COMCAST CORPORATION 1987 STOCK OPTION PLAN\par\pard\plain\cf1\f51\fs20\b\qc COMCAST-SPECTACOR 401(k) PLAN\par\pard\plain\cf1\f51\fs16\b\qc (Full title of the plan) \page\par\pard\plain\sb264\cf1\f51\fs20\b\qc Arthur R. Block, Esq.\par\pard\plain\cf1\f51\fs20\b\qc Executive Vice President, General Counsel and Secretary\par\pard\plain\cf1\f51\fs20\b\qc Comcast Corporation\par\pard\plain\cf1\f51\fs20\b\qc One Comcast Center\par\pard\plain\cf1\f51\fs20\b\qc Philadelphia, Pennsylvania 19103-2838\par\pard\plain\cf1\f51\fs20\b\qc (215) 286-1700\par\pard\plain\cf1\f51\fs16\b\qc (Name and address of agent for service)\par\pard\plain\cf1\f51\fs16\b\qc (Telephone number, including area code, of agent for service)\par\pard\plain\cf1\f51\fs24\ql \~\par\pard\plain\brdrb\brdrs\sa44\cf1\f51\fs20\qc \~\par\pard\plain\sb264\cf1\f51\fs20\b\i\qc Copies of Communications to:\par\pard\plain\sb132\cf1\f51\fs20\b\qc Andrew J. Rudolph, Esquire\par\pard\plain\cf1\f51\fs20\b\qc Blank Rome LLP\par\pard\plain\cf1\f51\fs20\b\qc One Logan Square\par\pard\plain\cf1\f51\fs20\b\qc Philadelphia, Pennsylvania 19103\par\pard\plain\cf1\f51\fs20\b\qc (215) 569-5500\par\pard\plain\cf1\f51\fs24\ql \~\par\pard\plain\brdrb\brdrs\sa44\cf1\f51\fs20\qc \~\par\pard\plain\sb264\cf1\f51\fs20\ql Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller\plain\cf1\f51\fs20\ql reporting company or an emerging growth company. See the definitions of \u8220?large accelerated filer,\u8221?\plain\cf1\f51\fs20\ql \u8220?accelerated filer,\u8221? \u8220?smaller reporting company,\u8221? and \u8220?emerging growth company\u8221? in\plain\cf1\f51\fs20\ql Rule 12b-2 of the Exchange Act:\par\pard\plain\cf1\f51\fs24\ql \~ \par\pard\plain {\trowd\clvertalc\cellx1819\clvertalb\cellx1922\clvertalc\cellx7703\clvertalb\cellx7823\clvertalc\cellx10031\clvertalb\cellx10134\clvertalc\cellx10800\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx1819\clvertalb\cellx1922\clvertalc\cellx7703\clvertalb\cellx7823\clvertalc\cellx10031\clvertalb\cellx10134\clvertalc\cellx10800\trrh66\row}}} {\trowd\clvertalb\cellx1819\clvertalb\cellx1922\clvertalb\cellx7703\clvertalb\cellx7823\clvertalb\cellx10031\clvertalb\cellx10134\clvertalb\cellx10800\trrh248 \pard\plain\intbl\cf1\f51\fs20\ql Large\~accelerated\~filer\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql \u9746?\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\~\cell\pard\plain\intbl\cf1\f51\fs20\ql Accelerated\~filer\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql \u9744?\cell{ {\trowd\clvertalb\cellx1819\clvertalb\cellx1922\clvertalb\cellx7703\clvertalb\cellx7823\clvertalb\cellx10031\clvertalb\cellx10134\clvertalb\cellx10800\trrh248\row}}} {\trowd\clvertalc\cellx1819\clvertalc\cellx7703\clvertalc\cellx10031\clvertalc\cellx10798\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx1819\clvertalc\cellx7703\clvertalc\cellx10031\clvertalc\cellx10798\trrh66\row}}} {\trowd\clvertalb\cellx1819\clvertalb\cellx1922\clvertalb\cellx7703\clvertalb\cellx7823\clvertalb\cellx10031\clvertalb\cellx10134\clvertalb\cellx10800\trrh248 \pard\plain\intbl\cf1\f51\fs20\ql Non-accelerated\~filer\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql \u9744? (Do not check if a smaller reporting company)\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\~\cell\pard\plain\intbl\cf1\f51\fs20\ql Smaller\~reporting\~company\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql \u9744?\cell{ {\trowd\clvertalb\cellx1819\clvertalb\cellx1922\clvertalb\cellx7703\clvertalb\cellx7823\clvertalb\cellx10031\clvertalb\cellx10134\clvertalb\cellx10800\trrh248\row}}} {\trowd\clvertalc\cellx1819\clvertalc\cellx7703\clvertalc\cellx10031\clvertalc\cellx10798\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx1819\clvertalc\cellx7703\clvertalc\cellx10031\clvertalc\cellx10798\trrh66\row}}} {\trowd\clvertalb\cellx1819\clvertalb\cellx1922\clvertalb\cellx7703\clvertalb\cellx7823\clvertalb\cellx10031\clvertalb\cellx10134\clvertalb\cellx10800\trrh495 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\~\cell\pard\plain\intbl\cf1\f51\fs20\ql Emerging growth\plain\intbl\cf1\f51\fs20\ql company\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql \u9744?\cell{ {\trowd\clvertalb\cellx1819\clvertalb\cellx1922\clvertalb\cellx7703\clvertalb\cellx7823\clvertalb\cellx10031\clvertalb\cellx10134\clvertalb\cellx10800\trrh495\row}}}\pard\plain\sb264\cf1\f51\fs20\ql If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for\plain\cf1\f51\fs20\ql complying with any new or revised financial accounting standards provided pursuant to Section\~7(a)(2)(B) of the Securities\plain\cf1\f51\fs20\ql Act.\~\~\u9744?\par\pard\plain\cf1\f51\fs20\ql \~\par\pard\plain\brdrb\brdrs\cf1\f51\fs20\ql \~\par\pard\plain\brdrb\brdrs\sa44\cf1\f51\fs20\ql \~ \page\par\pard\plain\f0\fs4\par\pard\plain\f0\fs2\brdrt\brdrs\brdrw15\brdrcf2\brdrsp0\par\pard\plain\f0\fs4\par\par\pard\plain\cf1\f51\fs20\b\qc EXPLANATORY NOTE\par\pard\plain\sb264\fi462\cf1\f51\fs20\ql On November\~19, 2002, Comcast Corporation (the \u8220?\plain\cf1\f51\fs20\b\i\ql Registrant\plain\cf1\f51\fs20\ql \u8221?) filed a Registration Statement on Form S-8\plain\cf1\f51\fs20\ql (Registration No.\~333-101295) (as subsequently amended prior to the date hereof, the \u8220?\plain\cf1\f51\fs20\b\i\ql Registration Statement\plain\cf1\f51\fs20\ql \u8221?),\plain\cf1\f51\fs20\ql which registered shares of the Registrant\u8217?s Class\~A Common Stock, par value $.01 (the \u8220?\plain\cf1\f51\fs20\b\i\ql Shares\plain\cf1\f51\fs20\ql \u8221?), reserved\plain\cf1\f51\fs20\ql for issuance under eleven plans, including the Comcast Corporation Retirement-Investment Plan (the \u8220?\plain\cf1\f51\fs20\b\i\ql Comcast Plan\plain\cf1\f51\fs20\ql ) and\plain\cf1\f51\fs20\ql the Comcast-Spectacor 401(k) Plan (the \u8220?\plain\cf1\f51\fs20\b\i\ql Spectacor Plan\plain\cf1\f51\fs20\ql \u8221? and, together with the Comcast Plan, the\plain\cf1\f51\fs20\ql \u8220?\plain\cf1\f51\fs20\b\i\ql Plans\plain\cf1\f51\fs20\ql \u8221?). The Registration Statement registered 3,000,000 Shares with respect to the Comcast Plan and 200,000\plain\cf1\f51\fs20\ql Shares with respect to the Spectacor Plan. In addition, pursuant to Rule 416 of the Securities Act of 1933, the Registration\plain\cf1\f51\fs20\ql Statement also covered an indeterminate number of additional Shares granted or to be granted under the Plans to prevent dilution\plain\cf1\f51\fs20\ql that may result from any future stock splits, stock dividends or similar transactions affecting the Shares as well as an\plain\cf1\f51\fs20\ql indeterminate amount of interests to be offered or sold pursuant to the Plans.\par\pard\plain\sb264\fi462\cf1\f51\fs20\ql On July\~1, 2004, the Registrant transferred 82 participants\u8217? accounts from the Spectacor Plan to the Comcast Plan\plain\cf1\f51\fs20\ql pursuant to the transfer of certain employee-participants from the employ of Comcast-Spectacor LLP to the employ of the\plain\cf1\f51\fs20\ql Registrant. Accordingly, securities previously allocated to those transferred participants\u8217? accounts under the Spectacor Plan,\plain\cf1\f51\fs20\ql including Shares of the Registrant, were reallocated to the participants\u8217? accounts under the Comcast Plan. On August\~12,\plain\cf1\f51\fs20\ql 2004, the Registrant filed Post-Effective Amendment No.\~2 to the Registration Statement to reallocate 10,224 Shares previously\plain\cf1\f51\fs20\ql held in certain participants\u8217? accounts under the Spectacor Plan to the participants\u8217? accounts held under the Comcast\plain\cf1\f51\fs20\ql Plan.\par\pard\plain\sb264\fi462\cf1\f51\fs20\ql Effective as of January\~1, 2016 (the \u8220?Effective Date\u8221?), the Registrant\u8217?s Shares ceased being an\plain\cf1\f51\fs20\ql investment option for new contributions or transfers under either of the Plans. Accordingly, by this Post-Effective Amendment\plain\cf1\f51\fs20\ql No.\~4, the Company hereby deregisters all Shares and plan interests covered by the Registration Statement remaining unsold\plain\cf1\f51\fs20\ql pursuant to each of the Comcast Plan and the Spectacor Plan as of the Effective Date. \page\par\pard\plain\f0\fs4\par\pard\plain\f0\fs2\brdrt\brdrs\brdrw15\brdrcf2\brdrsp0\par\pard\plain\f0\fs4\par\par\pard\plain\cf1\f51\fs20\b\qc SIGNATURES\par\pard\plain\sb264\fi462\cf1\f51\fs20\ql Pursuant to the requirements of the Securities Act of 1933 (the \u8220?\plain\cf1\f51\fs20\b\i\ql Securities Act\plain\cf1\f51\fs20\ql \u8221?) and in accordance with Rule\plain\cf1\f51\fs20\ql 478(a)(4) under the Securities Act, the Registrant certifies that it has reasonable grounds to believe that it meets all of the\plain\cf1\f51\fs20\ql requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment No.\~4 to the Registration Statement to\plain\cf1\f51\fs20\ql be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Philadelphia, Pennsylvania, on this 26\plain\cf1\f51\fs18\ql\super th\plain\cf1\f51\fs20\ql day\plain\cf1\f51\fs20\ql of April, 2018.\par\pard\plain\cf1\f51\fs24\ql \~ \par\pard\plain {\trowd\clvertalc\cellx553\clvertalb\cellx1057\clvertalc\cellx4320\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx553\clvertalb\cellx1057\clvertalc\cellx4320\trrh66\row}}} {\trowd\cellx4320\trrh248 \pard\plain\intbl\cf1\f51\fs20\ql COMCAST CORPORATION\cell{ {\trowd\cellx4320\trrh248\row}}} {\trowd\clvertalc\cellx553\clvertalc\cellx4319\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx553\clvertalc\cellx4319\trrh66\row}}} {\trowd\cellx553\clvertalb\cellx1057\cellx4320\trrh309 \pard\plain\intbl\cf1\f51\fs20\ql By:\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\brdrb\brdrs\sa22\cf1\f51\fs20\ql /s/ Arthur R. Block\cell{ {\trowd\cellx553\clvertalb\cellx1057\cellx4320\trrh309\row}}} {\trowd\cellx553\clvertalb\cellx1057\clvertalb\cellx4320\trrh248 \pard\plain\intbl\cf1\f51\fs20\ql Name:\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql Arthur R. Block\cell{ {\trowd\cellx553\clvertalb\cellx1057\clvertalb\cellx4320\trrh248\row}}} {\trowd\cellx553\clvertalb\cellx1057\clvertalb\cellx4320\trrh495 \pard\plain\intbl\cf1\f51\fs20\ql Title:\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql Executive Vice President, General\plain\intbl\cf1\f51\fs20\ql Counsel and Secretary\cell{ {\trowd\cellx553\clvertalb\cellx1057\clvertalb\cellx4320\trrh495\row}}}\pard\plain\sb264\fi462\cf1\f51\fs20\b\ql 401(k) Plans.\plain\cf1\f51\fs20\ql Pursuant to the requirements of the Securities Act, the Administrators of the Comcast Corporation\plain\cf1\f51\fs20\ql Retirement-Investment Plan and the Comcast-Spectacor 401(k) Plan have duly caused this Post-Effective Amendment No.\~4 to\plain\cf1\f51\fs20\ql the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Philadelphia,\plain\cf1\f51\fs20\ql Pennsylvania, on this this 26\plain\cf1\f51\fs18\ql\super th\plain\cf1\f51\fs20\ql day of April, 2018.\par\pard\plain\cf1\f51\fs24\ql \~ \par\pard\plain {\trowd\clvertalc\cellx302\clvertalb\cellx604\clvertalc\cellx913\clvertalb\cellx1215\clvertalc\cellx4320\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx302\clvertalb\cellx604\clvertalc\cellx913\clvertalb\cellx1215\clvertalc\cellx4320\trrh66\row}}} {\trowd\cellx4320\trrh765 \pard\plain\intbl\cf1\f51\fs20\ql THE COMCAST CORPORATION\plain\intbl\cf1\f51\fs20\ql RETIREMENT-\par\pard\plain\intbl\sa22\cf1\f51\fs20\ql INVESTMENT PLAN\cell{ {\trowd\cellx4320\trrh765\row}}} {\trowd\clvertalc\cellx302\clvertalc\cellx913\clvertalc\cellx4319\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx302\clvertalc\cellx913\clvertalc\cellx4319\trrh66\row}}} {\trowd\cellx302\clvertalb\cellx604\cellx913\clvertalb\cellx1215\cellx4320\trrh309 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql By:\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\brdrb\brdrs\sa22\cf1\f51\fs20\ql /s/ William E. Dordelman\cell{ {\trowd\cellx302\clvertalb\cellx604\cellx913\clvertalb\cellx1215\cellx4320\trrh309\row}}}\pard\plain\cf1\f51\fs24\ql \~ \par\pard\plain {\trowd\clvertalc\cellx451\clvertalb\cellx902\clvertalc\cellx1353\clvertalb\cellx1804\clvertalc\cellx4320\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx451\clvertalb\cellx902\clvertalc\cellx1353\clvertalb\cellx1804\clvertalc\cellx4320\trrh66\row}}} {\trowd\cellx4320\trrh248 \pard\plain\intbl\cf1\f51\fs20\ql COMCAST-SPECTACOR 401(K) PLAN\cell{ {\trowd\cellx4320\trrh248\row}}} {\trowd\clvertalc\cellx451\clvertalc\cellx1353\clvertalc\cellx4319\trrh66 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\f0\fs16\ql \~\cell{ {\trowd\clvertalc\cellx451\clvertalc\cellx1353\clvertalc\cellx4319\trrh66\row}}} {\trowd\cellx451\clvertalb\cellx902\cellx1353\clvertalb\cellx1804\cellx4320\trrh309 \pard\plain\intbl\f0\fs16\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\cf1\f51\fs20\ql By:\cell\pard\plain\intbl\cf1\f51\fs20\ql \~\cell\pard\plain\intbl\brdrb\brdrs\sa22\cf1\f51\fs20\ql /s/ William E. Dordelman\cell{ {\trowd\cellx451\clvertalb\cellx902\cellx1353\clvertalb\cellx1804\cellx4320\trrh309\row}}}}