1. copyright 2005, Confidential and Proprietary Rim Semiconductor, Inc OPTIMIZED FOR IPTV + 50% FURTHER REACH > THAN 1/2 ACCESS COST + 30% VIDEO PAYLOAD 1/5 THE LATENCY - 80% MPEG ARTIFACTS Solving the Video Delivery problems of VDSL2

2. copyright 2005, Confidential and Proprietary Rim Semiconductor, Inc Ensuring the highest quality video experience OPTIMIZED FOR IPTV + 50% FURTHER REACH > THAN 1/2 ACCESS COST + 30% VIDEO PAYLOAD 1/5 THE LATENCY - 80% MPEG ARTIFACTS

3. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 3 Ensuring the 26Mb/s experience Embarq is the only DSL chipset tailored to fit the unique transport needs of the video network Both SBC’s IPTV lab & analysts predict demand for three simultaneous broadcast channels in the Digital Home New HDTV sets now selling for $800 each

4. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 4 Ensuring the 26Mb/s experience Both SBC’s IPTV lab & analysts predict demand for three simultaneous broadcast channels in the Digital Home SBC IP-TV: Likely Initial Bandwidth Allocation HD TV (1 stream @ 9.3 Mbps) 9.3 SD TV (3 streams @ 2.1 Mbps) 6.3 Picture-in-Picture (4@ 200Kbps) 0.8 Internet (3Mbps peak) 1.0 VoIP (4 streams) 0.5 Overhead 2.1 Total 20.0 Source: SBC, Merrill Lynch. THE DIGITAL HOME: Realistic Demand HD TV (3 stream @ 7 Mbps – MPEG4 ) 21 Picture-in-Picture (3@ 130Kbps – MPEG4 ) 0.4 Internet (3Mbps peak + STREAMING ) 1.6 VoIP (4 streams) 0.5 Overhead (QOS ASSURANCE )2.5 Total 26.0 Source: Rim Semiconductor

5. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 5 Ensuring the 26Mb/s experience SBC IP-TV: Likely Initial Bandwidth Allocation HD TV (1 stream @ 9.3 Mbps) 9.3 SD TV (3 streams @ 2.1 Mbps) 6.3 Picture-in-Picture (4@ 200Kbps) 0.8 Internet (3Mbps peak) 1.0 VoIP (4 streams) 0.5 Overhead 2.1 Total 20.0 Source: SBC, Merrill Lynch. THE DIGITAL HOME: Realistic Demand HD TV (3 stream @ 7 Mbps – MPEG4 ) 21 Picture-in-Picture (3@ 130Kbps – MPEG4 ) 0.4 Internet (3Mbps peak + STREAMING ) 1.6 VoIP (4 streams) 0.5 Overhead (QOS ASSURANCE )2.5 Total 26.0 Source: Rim Semiconductor THE ONLY FRESH DSL DESIGN TAILORED FOR VIDEO READY TO CARRY THE BANDWIDTH REQUIRED VDSL2 HDTV SDTV VOICE DATA QOS EMBARQ HDTV VOICE DATA QOS

6. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 6 Ensuring the 26Mb/s experience SBC IP-TV: Likely Initial Bandwidth Allocation HD TV (1 stream @ 9.3 Mbps) 9.3 SD TV (3 streams @ 2.1 Mbps) 6.3 Picture-in-Picture (4@ 200Kbps) 0.8 Internet (3Mbps peak) 1.0 VoIP (4 streams) 0.5 Overhead 2.1 Total 20.0 Source: SBC, Merrill Lynch. THE DIGITAL HOME: Realistic Demand HD TV (3 stream @ 7 Mbps – MPEG4 ) 21 Picture-in-Picture (3@ 130Kbps – MPEG4 ) 0.4 Internet (3Mbps peak + STREAMING ) 1.6 VoIP (4 streams) 0.5 Overhead (QOS ASSURANCE )2.5 Total 26.0 Source: Rim Semiconductor THE ONLY FRESH DSL DESIGN TAILORED FOR VIDEO READY TO CARRY THE BANDWIDTH REQUIRED VDSL2 HDTV SDTV VOICE DATA QOS EMBARQ HDTV VOICE DATA QOS

7. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 7 for the 26Mb/s digital home Ensuring the 26Mb/s experience 1Kft 2 3 4 5 6 7 bandwidth 100 - 80 - 60 - 40 - 20 - 0 reach 26Mb/s DIGITAL HOME VDSL2 VDSL EMBARQ TM 50% MORE REACH VDSL2 = promised, not actual Embarq = actual measured

8. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 8 for the 26Mb/s digital home Ensuring the 26Mb/s experience 26Mb/s DIGITAL HOME Video is the killer app for DSL SERVICE DELAY TOLERANT NOISE TOLERANT VOICENOYES DATAYESNO VIDEONO Video demands mandatory QOS for reliable VoDSL

9. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 9 for the 26Mb/s digital home 20Mb/s service is NOT enough 4Kft reach is NOT enough VDSL2 QOS is NOT enough VDSL2 just tries to leverage old VDSL technology Only Embarq delivers fresh thinking tailored for today’s video network VDSL2 HDTV SDTV VOICE DATA QOS Ensuring the 26Mb/s experience EMBARQ HDTV VOICE DATA QOS

10. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 10 time bandwidth 1999 2005 2006 Technology Breakthrough Eqpt. Mnf. at dead-end w/ VDSL2: - fruitless work-arounds - FTTC / FTTH irrational - Bonding not realistic - VDSL2 just stretching old tech HDSL SDSL ADSL ADSL2 ADSL2+ VDSL VDSL2 SPECTRUM MANAGEMENT 50% MORE RTs, 4Kft REACH PAIR BONDING SERVE ONLY 20Mbps 26Mbps BARRIER HDTV Carrier needs 26Mb/s WORKAROUNDS EMBARQ Embarq offers the unique DSLAM / CPE solution to get the job done RIGHT THE ONLY DSLAM PRODUCT DIFFERENTIATOR AVAILABLE TO HELP YOU PENETRATE ALCATEL’S DOMINANCE

11. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 11 Delivering the DSL Technical Advantage Video-Optimized: REDUCED JITTER LESS DELAY LOWER LATENCY Longer Reach Higher Bandwidth Larger Payload 26M @ 4Kft

12. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 12 Reducing Jitter & Delay for HDTV fresh DSL thinking Fine Image Detail Fast Motion Moving Background MPEG Artifacts

13. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 13 Artifacts are additive and cannot be removed Phi layer jitter & delay must be minimized for video Embarq minimizes packet jitter & delay better than VDSL2: - inherent noise tolerance - dynamic noise management - no DSLAM entraining - higher aggregate bandwidth - 20% higher downstream allocation APPLICATION PRESENTATION SESSION TRANSPORT NETWORK DATALINK PHYSICAL APPLICATION PRESENTATION SESSION TRANSPORT NETWORK DATALINK PHYSICAL Reducing Jitter & Delay for HDTV fresh DSL thinking Artifacts get embedded at every layer of the protocol stack DUPLICATE PACKETS INTER-PACKET JITTER OUT-OF-ORDER PACKETS PACKET LOSS

14. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 14 EMBARQ Reducing Jitter & Delay for HDTV fresh DSL thinking MPEG Artifacts with VDSL2 Preserves Detail Renders Fast Motion Moving Background Motion Pixilation Lost Detail

15. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 15 Shannon’s limit REACH (Copper Attenuation) Bandwidth Embarq! VIDEO-CENTRIC BANDPLAN Delivering the DSL Technical Advantage OPTIMIZED FOR VIDEO Embarq applies four common-sense technical advances to bring DSL perfor- mance closer to Shannon’s Limit INHERENT NOISE REJECTION DYNAMIC NOISE REDUCTION NO DSLAM TRAINING WHAT IF YOU COULD APPROACH Shannon’s Limit? VDSL2 REDUCED DELAY, JITTER HIGHER BW THRUPUT

16. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 16 Delivering the DSL Technical Advantage Video-Centric Bandplan Short Frames Multi-wideband Inherent SNR Advantage Dynamic SNR No DSLAM Training 26M @ 4Kft fresh DSL thinking

17. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 17 The only “Intelligent BandPlan TM ” tailored to the demand for downstream video feature DOWNSTREAMUPSTREAM video 100%0% Data60%40% Internet70%30% Voice50% Embarq 100% MAX 5% VARIABLE VDSL280% MAX 20% FIXED Today’s internet useage: 60% of traffic is symmetric, peer-to-peer Thus 20% of spectrum permanently allocated upstream makes sense But tomorrow’s video network: 95% of BW is downstream, needs 12:1 U/D ratio Fixed upstream allocation used in VDSL2 cripples video Only Embarq is tailored to effectively serve downstream video networking Video-Centric Bandplan fresh DSL thinking

18. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 18 Ratio of Traffic Load Video-Centric Bandplan 30Mhz 9.3 Mbps VIDEO FEED UPSTREAM DNSTREAM EMBARQ VDSL2 DOWNSTREAMUPSTREAM Embarq 100% MAX 5% VARIABLE VDSL2 80% MAX 20% FIXED COPPER SPECTRUM 0 1Khz 1Mhz 3Mhz 5Mhz 7Mhz 12Mhz T H E x D S L S P E C T R U M B A N D P L A N fresh DSL thinking THE ONLY FRESH DESIGN TAILORED FOR HDTV

19. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 19 Noise is bursty in time To obtain short frames & symbols, we adopted Wideband Modulation Short frames can survive bursty noise fresh DSL thinking Noise Power Time DATA RESEND Noise Power Time DATARESEND DMT uses Narrowband Modulation with long frames DATA More payload survives using short frames

20. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 20 Wideband Modulation Attenuation Frequency To obtain short frames & symbols, we adopted Wideband Modulation Modulation Wideband Modulation = short symbols = short frame size 12Mhz 1)We all agree that multi-carrier modulation optimal for throughput 2) But DMT is not the ideal multi-carrier modulation scheme fresh DSL thinking

21. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 21 Wideband + MultiCarrier Attenuation Frequency Problem: Wideband alone = inefficient match to copper’s attenuation curve Modulation Attenuation Frequency Modulation Solution: Multiple channels of modulation efficiently match copper attenuation MultiCarrier Wideband Modulation = short frame + copper optimization fresh DSL thinking

22. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 22 Noise Power Time VDSL2 RESEND Inherent Noise Tolerance Short frame size ~ 1/50th of the VDSL2 FRAME LOW THROUGHPUT... HIGH LATENCY!! THE VIDEO KILLER VDSL2 DATA NOISE YIELDS 20mb/s thruput with 0 payload DATA fresh DSL thinking EMBARQ DATA RESEND DATA RESEND DATA RESEND EMBARQ HIGH LATENCY!!!!

23. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 23 VDSL2 RESEND Inherent Noise Tolerance Short frame size VDSL2 DATA NOISE SUPERIOR BANDWIDTH, MINIMAL LATENCY YIELDS 20mb/s thruput with 0 payload 26mb/s thruput with 18Mb/s payload DATA fresh DSL thinking EMBARQ DATA RESEND DATA RESEND DATA RESEND EMBARQ

24. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 24 Noise Power VDSL2 Time Noise Power Adaptive Noise Management Short frame size also enables dynamic noise rejection, adaptive on-the-fly DATA EMBARQ Constant SNR Floor Dynamic SNR Rejection Level UP TO 8 Db GAIN fresh DSL thinking

25. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 25 Time Noise Power Adaptive Noise Management Short frame size also enables dynamic noise rejection, adaptive on-the-fly Dynamic SNR Rejection Level UP TO 8 Db GAIN Adaptive SNR performed at RECEIVER ONLY DSLAM Training NOT REQUIRED VDSL2 attempts Adaptive SNR called “Adaptive Bit Loading” which requires DSLAM Training = LATENCY fresh DSL thinking

26. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 26 Adaptive SNR performed at RECEIVER ONLY DSLAM Training NOT REQUIRED VDSL2 attempts Adaptive SNR called “Adaptive Bit Loading” which requires DSLAM Training = LATENCY Eliminate DSLAM Entraining VDSL2 attempts adaptive noise management using DSLAM entraining: VDSL2 CPE DSLAM SEND TRAINING SIGNAL RECEIVE TRAINING REPLY SEND DATA FRAMES EMBARQ CPE DSLAM fresh DSL thinking SEND DATA FRAMES Higher Throughput Higher Payload Higher Jitter Higher Delay Which approach best serves your video access needs?

27. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 27 Reducing Latency by 80% Embarq eliminates the need for DSLAM training fresh DSL thinking VDSL2 CPE DSLAM EMBARQ CPE DSLAM Embarq’s short frame size ~ 1/50th of VDSL2 DATA Short frames speed up the packet re-send task VDSL2 frames take up to 100 times longer to recover from packet loss: - 50 times longer to receive damaged packet - 50 times longer to re-send duplicate packet aggregate 5:1 reduction in latency at the system level

28. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 28 Architectural Comparison THE ONLY FRESH DESIGN TAILORED FOR HDTV 1) Assymetry = HDTV downstream 2) Payload = no delay, jitter, latency Shannon’s limit solving noise Embarq VDSL2 fresh DSL thinking Video requires Video-Centric Bandplan Rigid 20% Permanently Allocated Upstream 100% spectrum utilization withTDD 100% download on demand Adaptive Bit Loading DSLAM Entraining Analog Filters Inherent SNR Dynamic SNR No DSLAM training 1) Assymetry = HDTV downstream 2) Payload = no delay, jitter, latency

29. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 29 What Embarq offers the Equipment Manufacturer 26M @ 4Kft 26M @ 6Kft

30. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 30 Tam Breakthrough Source: INSTAT Embarq VDSL2 Embarq’s longer reach and lower cost of deployment will increase the Total Addressable Market (TAM) 26Mb/s for the Digital Home will assure carriers of Cable-Competitive Services & increase VDSL demand

31. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 31 Manufacturer Benefits Larger Market - based on carrier demand for superior performance More responsive development from Rim Semiconductor than from the VDSL2 development teams Higher manufacturer margins – carrier will pay a premium for superior video performance & lower network cost 50% reduction in cost of video access network for carriers Penetrate Alcatel dominance with unique differentiation Source: INSTAT Embarq VDSL2

32. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 32 U-Drive Demo Bench U-Drive Test Bed 24 AWG 26 AWG 4 separate cable spools at 10Kft IP ROUTER 26 Mb/s IP STREAM SOURCE FEED EQUIPMENT: + 3x HiDef TV channels + 3x VOIP audio loops + VPN traffic simulator + ONLINE GAMING + INTERNET streaming video source Next Level VDSL DSLAM (ATM) Embarq chipset, in working IP-dslam configuration Next Level CPE Embarq chipset, in working modem configuration Ethernet Bandwidth Meters HDTV Dropout Meters Measure Aggregate VDSL Bandwidth Ratio of Aggregate Transport BW Vs resulting Ethernet = packet re-send Latency Meters VOIP phone PC User-Configurable QOS settings for VPN, VOIP, and HDTV streams on both VDSL & Embarq VDSL1 results Embarq results Control for adjusting User-Configurable copper length settings to change “reach” from 2Kft to 5Kt in 0.5Kft increments 3X VIDEO ENCODER ATM ROUTER 26 Mb/s ATM STREAM ( Two separate DSLAMs) 24 AWG 26 AWG Patch panel for turning separate feeds on & off INTERFERENCE GENERATOR

33. copyright 2005, Confidential and Proprietary Rim Semiconductor, Inc DISTANCE FROM THE CENTRAL OFFICE AMBIENT NOISE / INTERFERENCE LOW HIGH the U-Drive Test Bench for the 26Mb/s digital home VDSL2 EMBARQ VOIP GAMING / MUSIC HDTV-1 HDTV-2 HDTV-3 SOHO / VPN VOIP

34. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 34 D elivering unique value for carriers’ business goals 26M @ 4Kft 26M @ 6Kft Assuring Cable-Competitive Services Leapfrogging Cable Services Enabling Cable-Competitive Video at Lowest Cost Enabling Higher ROI than Cable

35. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 35 Cable-Competitive Video Services EXISTING COPPER EXISTING CABINETS (RTs) understanding your customer BATTLE FOR THE DIGITAL HOME BATTLE FOR THE DIGITAL HOME 26Mb/s lets carrier leapfrog analog cable services with turnkey broadband solution supporting bundled voice, video, & data at lower system cost than Digital Cable 26Mb/s @ 6Kft enables cable-competitive level of service: - 3x HDTV - 1.5 Mb/s Internet - Voice-over-IP

36. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 36 Cable-Competitive Video Services Analog Cable is limited to 60 ~ 200 fixed channels, Digital Cable is limited to 200 ~ 500 fixed channels IPTV can access 10,000 channels on-demand Customer choice is a powerful market driver understanding your customer 120 Channels or 10,000?... the power of CHOICE! U.S. RURAL TELECOM ASSOCIATION: “ 57% of cable subscribers will switch to IPTV based upon expanded choice of programming”

37. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 37 EXISTING CABINETS (RTs) EXISTING COPPER EXISTING CABINETS (RTs) EXISTING COPPER BATTLE FOR THE DIGITAL HOME BATTLE FOR THE DIGITAL HOME Giving the Carrier Higher ROI understanding your customer Carrier leveraging existing Copper Plant - paid off 20 years ago Cable still amortizing new digital plant - carrying higher system cost Carrier can offer cut-rate pricing, capture cable subscribers, & still maintain profit margins

38. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 38 Lower Cost of Video over Copper TYPICAL CUSTOMER SERVICE AREA (CSA) : 600 SUBSCRIBERS REACHING OUT 12Kft Today’s typical CSA & copper plant REMOTE TERMINAL (RT) HOUSING THE DSLAM Embarq’s extended reach requires the fewest RTs - up to 56% less cost No VDSL service will reach 12Kft - more RTs must be deployed to deliver VDSL Fewer new RTs = faster deployment understanding your customer BATTLE FOR THE DIGITAL HOME BATTLE FOR THE DIGITAL HOME

39. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 39 4Kft - VDSL2 Cost of VDSL2 Transport REMOTE TERMINAL (RT) HOUSING THE DSLAM Today’s typical VDSL2 serves 20Mb/s to 4Kft RT cost = $130K - new right-of-way - new permitting - new cabinet - new power - new DSLAM - new binder groups Seven additional RTs required VDSL2 upgrade = $910K understanding your customer

40. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 40 Cost of Embarq Transport TRADITIONAL 12Kft SERVICE AREA VDSL2 upgrade = $910K (7 new RTs) 4Kft - VDSL2 Embarq serves 26Mb/s out to 6Kft understanding your customer

41. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 41 Cost of Embarq Transport TRADITIONAL 12Kft SERVICE AREA VDSL2 upgrade = $910k (7 new RTs) Embarq serves 26Mb/s out to 6Kft Embarq upgrade = $400k (3 new RTs) Saves $510k = 56% less cost 6Kft - EMBARQ Avoids installation of 4 additional RTs understanding your customer

42. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 42 TRADITIONAL 12Kft SERVICE AREA 6Kft - EMBARQ Cost of Embarq Transport Investing $910k in Embarq (4 more new RTs) Embarq serves 17Kft CSA 6Kft - EMBARQ Same investment yields 40% greater CSA understanding your customer

43. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 43 Lower Cost of Video over Copper 6Kft reach reduces network deployment cost 56% 57% reduction in new RTs accelerates time to market 26Mb/s @ 6Kft enables 40% higher coverage than VDSL2 26Mb/s minimizes OPEX by minimizing truck-rolls for provisioning trouble enabling cost-effective broadband over copper for new integrated Video Services understanding your customer

44. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 44 Delivering Crucial Carrier Value Ensures Cable-Competitive Services Leapfrogs Cable Services Delivers Lowest Network Cost Minimizes Operating Costs Accelerates time-to-market Enables Higher ROI than Cable understanding your customer

45. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 45 Delivering Embarq Logical evolution of FPGA to ASSP Better for you, better for us Build your design optimization into ASSP Faster Time-to-Market HelloSoft qualifications - deep in xDSL - proven 100Mb/s silicon - deep in QOS - deep in EMS

46. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 46 Development Schedule  FPGA version scheduled for release January 2006  Two customers will be supported  ASSP version available in first half 2006  Ordering for Part # FPGA30 includes: 1) two circuit boards ( one for the CPE, one for the DSLAM) with Embarq technology present in FPGA form. 2) InSite software application for testing and simulating various loop conditions 3) Written Test Plan 4) Product Documentation 5) Dedicated Field Application Engineer

47. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 47 Contact  Brad Ketch, President & CEO of Rim Semiconductor is visiting China soon and would like to schedule talks with VoDSL & IP-DSLAM product managers at Huawei  Should you wish to meet with Mr. Ketch, please arrange schedules with his secretary, Ms Laurie Evans at 503-257-6700, or email at levans@rimsemi.comlevans@rimsemi.com  For immediate questions, contact Richard Hurn, Marketing Director at 503-286-0894, email rhurn@rimsemi.comrhurn@rimsemi.com  Website www.rimsemi.comwww.rimsemi.com Thank You for viewing!

48. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 48 PERFORMANCE TAILORED FOR THE VIDEO NETWORK The Video-Tailored Solution Fresh thinking delivers DSL tailored for the Video Network SHORT FRAMES = Inherent SNR advantage, 50% Longer Reach, 62% Lower CAPEX DYNAMIC SNR = Higher Thruput, Less Latency NO DSLAM TRAINING= Higher Thruput, Less Latency SMART BANDPLAN = 20% More Video Download 10 BINS vs 4096 = Less Processing, Lower Latency, Smaller & Cheaper CPE CPE DSLAM UPSTREAM DNSTREAM PERFORMANCE TAILORED FOR YOUR CUSTOMER

49. Saturday, May 16, 2015©Rim Semiconductor Company Confidential and Proprietary – Do Not Distribute Page 49 VDSL2 IS A COBBLED SOLUTION BASED ON INHERENTLY DEADEND LIMITATIONS time bandwidth 1999 2005 2006 HDSL SDSL ADSL ADSL2 ADSL2+ VDSL VDSL2 SPECTRUM MANAGEMENT 50% MORE RTs, 4Kft REACH PAIR BONDING SERVE ONLY 20Mbps 26Mbps BARRIER WORKAROUNDS EMBARQ If you were designing a video access network today, would you design around VDSL2? Delivering the DSL Technical Advantage