**Exhibit 4.24.3**

**Additional Agreement No. 3to contract on network connection between OAO Rostelecom and Sibirtelecom No. 1-01 dated August 1, 2003**
|          Moscow |   | March 9, 2006 |
|-----------------------------------------------|--------|--------------------|

 

ThisAgreement is entered into by and between Rostelecom. Open Joint-Stock Companyfor Long-Distance and International Telecommunications. hereinafter. “Rostelecom”.represented by OAO Rostelecom General Director Dmitry Yevgenievich Yerokhin.authorized to act by Charter. on the one part. and OAO Sibirtelecom. hereinafterreferred to as the “Operator”. represented by General Director AnatolyIvanovich Nikulin. authorized to act by Charter. hereinafter collectivelyreferred to as the “Parties” and separately referred to as “Party” as follows:

Inview of

A.           The Contracton Network Connection between Rostelecom and the Operator No. 1-01dated 01.08.2003 in the wording of Agreement dated December 28. 2005 inaccordance with which Rostelecom renders the Operator the services ofconnection. and the Operator renders Rostelecom traffic admission services(hereinafter - “Contract”);

B.             В. The conditions of the Agreement do notregulate the legal relationships of the Parties connected with the admission through telecommunications networks of theOperator and Rostelecom of the traffic. other than the traffic the admission ofwhich is performed by the Operator in connection with the rendering to theUsers of the long-distance and international telecommunication services on thepart of Rostelecom;

C.             С.The Parties intend to regulate the legal relationships arising in connectionwit the admission o traffic from the mobile radiotelephone networks;

haveconcluded this Additional Agreement No. 3 (hereinafter - “Agreement”)about the following:

**1.****                            Termsand Definitions**

In this Agreement the following terms anddefinitions have the following meanings if not otherwise indicated by thisAgreement:

1.1.                  “Accounting period” means the period of onecalendar month during which the traffic admission services were rendered to theUsers.

1.2.                  “Billing period” means a calendar monthfollowing the Accounting period.

1.3.                  “Traffic” means any traffic outgoing from theOperator’s network to the network of Rostelecom. which

1)         is not connected with the rendering by Rostelecom or other long-distanceand international telecommunications operators of the long-distance andinternational telecommunication services to the Users.

2)         is not the traffic identified in par. 3.3.4. of this Contract

1.4.                  “Traffic admission Services” means the serviceof the long-distance end of call in other operator’s networks rendered by Rostelecomto the Operator concerning the Traffic.

**2.****                         ****Subject Matter of theAgreement**

2.1.                  Rostelecom is obliged under the connectionconditions specified in the Agreement and in this Agreement. to render theOperator Traffic admission Services. and the Operator is obliged to recompensefor them.

**3.****                         ****Rights and Obligations of theParties**

3.1.                  ****Rostelecom undertakesthe following obligations:

### 3.1.1.           To render th the Operator. with the consideration of technicalresources and in accordance with this Agreement. Traffic admission Services.

### 3.1.2.           To provide the calculation and submission of the data on the volume ofthe rendered  Traffic admission Services.

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### 3.1.3.           To provide by the admission of Traffic in their responsibility zone ofthe service quality and speech transmission quality for long-distance andinternational telecommunications  inaccordance with the normative documents and the agreement on service quality(if available).

### 3.1.4.           To provide the storage of the Trafficadmitted during the term established by current law.

3.2.                    Rostelecom has a right:

### 3.2.1.           Todetermine in accordance with par. 3.2.1. of the Contract. new connectionconditions (including the costs of Traffic admission Services). indicated inthis Agreement. but not more often than once a year.

### 3.2.2.           Todetermine the Traffic routing on the route segment                                                                         .

### 3.2.3.           Onthe basis of a court decision. to impose restrictions on the rendering ofTraffic admission Services.

3.3.                  The Operatorundertakes the following obligations:

### 3.3.1.           Torecompense for the Traffic admission Services rendered by Rostelecom under theconditions hereof.

### 3.3.2.           Toprovide in its responsibility zone the parameters of telecommunication servicesquality and speech transmission quality for long-distance and internationaltelecommunications in accordance with the normative documents and the agreementon service quality (if available).

### 3.3.3.           TheOperator provides the submission of information about the number of theUser  performing the call. In case ofdiscrepancy of the information about the actual number of the User performingthe call. the Operator accounts to Rostelecom in the order established by thisAdditional Agreement.

**4.****                         ****Mutual obligations of the Parties:**

4.1.                  To perform in due manner and full volume theirobligation hereunder.

4.2.                  To maintain the confidential character of theconditions and provisions hereof in the order estimated by the Agreement.

**5.****                         ****Additional essentialconditions of telecommunications networks connection and their interaction**

In addition to the essentialconditions of telecommunications networks connection and interaction. theParties agree to determine the following additional conditions:

5.1.                  The list of Traffic admission Services isspecified in par. 1.4 hereof. The order of Traffic admission is determined onthe basis of the current law. the licenses of the interacting operators and inaccordance with the technical conditions of connection.

5.2.                  The order of payments for the Traffic admissionServices is established in Section 6 hereof.

**6.****                         ****The cost of Traffic admissionServices and the accounting order**

6.1.                  The Operator remunerates Traffic admissionServices in accordance with Appendix 1 hereto.

6.2.                  By change of Traffic admission Services costsby the Federal agency of the executive powers of the Russian Federation.regulating the cost of such services. the Parties introduce new prices from thedate indicated by the order of such Federal agency of the executive powers ofthe Russian Federation. by means of concluding an additional agreement. whichmust be signed by the Parties.

6.3.                  The remuneration of Traffic admission Servicesis performed by the Operator on a monthly basis. no later than within ten (10) daysfrom the signing by the Parties of the Act of rendered Traffic admissionServices.

6.4.                  The Parties present to each other the data onthe volume of Traffic admission Services rendered in the following order:

### 6.4.1.           Nolater than the 6th day of the Billing period Rostelecom submitsto the Operator the report on the volumes of Traffic admission Services.

### 6.4.2.           TheParties check and coordinate the data on the volume of Traffic admissionServices  rendered (accepted) during theAccounting period. directed in accordance with para. 6.4.1 hereof.

6.5.                  Rostelecom presents to the Operator the Trafficadmission Services Report (Appendix 2 hereto). no later than the 8th day ofthe Billing period. including the data on the volume of Traffic admissionServices rendered.

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6.6.                  The Operator signs the Traffic admissionServices Report no later than the 9th day of the Billing period.

6.7.                  Rostelecom presents to the Operator the invoicefor the rendered Traffic admission Services no later than the 10th day ofthe Billing period. Copies of the invoice. the Traffic admission ServicesReport are sent by a facsimile transmission. the originals are sent by post.

6.8.                   Irrespective of the provisions of para. 6.4..either of the Parties has the right to compare the data on the volumessubmitted by the other Party with their own data for the purpose of detectionof their discrepancy. in accordance with the order established by thisAgreement.

By discrepancy of the Parties’ data on the cost of the rendered Trafficadmission Services for the Accounting period within the limit of 3%. therecalculation of the payments for the rendered Traffic admission Services isnot performed.

If the Operator’s data on the cost of the rendered Traffic admissionServices differ from the data of Rostelecom by more than 3%. Rostelecom sendsthe Operator the Reconciliation Report of the data on the Traffic admitted andthe cost of the services rendered. indicating the acknowledged and disputeddata volumes.

The Parties undertake to perform actions directed at the elimination ofdata discrepancy in the order established by Appendix 6 hereof. After thedetermination of the causes of data discrepancy. the Parties perform thecorrection of service costs in the next Billing period (in the ServicesReport).

6.9.                  The payments are transferred to the account ofRostelecom indicated in this Agreement. For the identification of the paymentsthe Operator indicates the number of the Contract. the number of this Agreementand the account number.

**7.****                         ****Responsibility of the Parties**

7.1.                  The Parties undertake the responsibility forthe non-performance or unduly performance of the obligations under theAgreement in accordance with the current law of the Russian Federation.

7.2.                  In case of violation by the Operator of theterms of performance of their obligations for the transfer of the payments dueto Rostelecom for the rendered Traffic admission Services. Rostelecom has theright to demand from the Operator interest in the amount of 1/300 of thecurrent refinancing rate of the Central Bank of the Russian Federation. forevery day of payment delinquency.

**8.****                         ****The validity term andconditions of termination of the Agreement**

8.1.                  This Agreement enters into force from the dateof its execution. The Parties agree that terms and conditions of the Agreementexecuted apply to their relations that arose from February 01, 2006. TheAgreement is concluded for the term of the Contract.

8.2.                   This Agreement terminates simultaneously withthe termination of the Contract.

**9.****                         ****Miscellaneous**

9.1.                  All appendices to this Agreement constitute itsintegral part if they are composed in written form and signed by the dulyauthorized representatives of the Parties.

9.2.                  All terms used in this Agreement have themeaning ascribed to them by the Contract if not otherwise indicated hereby.

9.3.                  This Agreement is an inseparable part of theContract.

9.4.                  In all other respects not specified by thisAgreement. the provisions of the Contract are valid.

9.5.                  The agreement is issued in the Russian languagein two copies. one for  each Party.

9.6.                  The list of Appendices hereto:

Appendix No. 1 Costof Traffic Admission Services

Appendix No.2 Trafficadmission Services Report

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**10.****                  ****Address and details of theParties:**
| OAO Rostelecom:                |   | OAO Sibirtelecom:                    |
|--------------------------------|--------|--------------------------------------|
|                           |   |                                 |
| Legal address: 127091. Moscow. |   | Legal address: 630099.  Novosibirsk. |
| Delegatskaya st.. 5            |   | M. Gor’kogo st. 53              |
|                           |   |                                 |
| General Director               |   | General Director                     |
|                           |   |                                 |
|                           |   |                                 |
| /signed/  D.Ye. Yerokhin  |   | /signed/  A.I. Nikulin          |
|                           |   |                                 |
| March 9, 2006             |   | March 9, 2006                   |
|                           |   |                                 |
| Seal here                      |   | Seal here                            |

 

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**AppendixNo. 1to Additional Agreement No.3dt. March 09,  2006**

**COST TRAFFICADMISSION SERVICES**

(RUR/min w/o VAT)

 
| **Incoming**              |   | **ABC outgoing** |       |
|---------------------------|--------|------------------|------------|
| **АВС** |   | **301**          | ** ** | **302** | ** ** | **381** | ** ** | **382** | ** ** | **383** | ** ** | **384** | ** ** | **385** | ** ** | **388** | ** ** | **390** | ** ** | **391** | ** ** | **394** | ** ** | **395** |   |
| 401                       |   | 7.13             |       | 7.48 |   | 5.00 |   | 5.74 |   | 5.68 |   | 5.93 |   | 5.81 |   | 6.05 |   | 6.36 |   | 6.30 |   | 6.67 |   | 6.90 |   |
| 471                       |   | 6.67             |       | 7.10 |   | 4.15 |   | 4.82 |   | 4.69 |   | 4.88 |   | 4.82 |   | 5.06 |   | 5.37 |   | 5.37 |   | 5.68 |   | 6.42 |   |
| 472                       |   | 6.79             |       | 6.73 |   | 4.22 |   | 4.88 |   | 4.76 |   | 4.94 |   | 4.82 |   | 5.13 |   | 5.43 |   | 5.43 |   | 5.74 |   | 6.48 |   |
| 473                       |   | 6.55             |       | 6.85 |   | 3.89 |   | 4.87 |   | 4.74 |   | 4.69 |   | 4.81 |   | 4.82 |   | 5.13 |   | 5.25 |   | 5.56 |   | 6.30 |   |
| 474                       |   | 6.36             |       | 6.79 |   | 3.82 |   | 4.74 |   | 4.61 |   | 4.87 |   | 4.74 |   | 4.76 |   | 5.06 |   | 5.13 |   | 5.43 |   | 6.11 |   |
| 475                       |   | 6.24             |       | 6.67 |   | 3.69 |   | 4.61 |   | 4.48 |   | 4.68 |   | 4.54 |   | 4.81 |   | 4.94 |   | 4.94 |   | 5.25 |   | 5.99 |   |
| 481                       |   | 6.79             |       | 6.79 |   | 4.35 |   | 4.94 |   | 4.82 |   | 5.06 |   | 5.00 |   | 5.25 |   | 5.50 |   | 5.50 |   | 5.87 |   | 6.55 |   |
| 482                       |   | 6.42             |       | 6.79 |   | 3.95 |   | 4.81 |   | 4.74 |   | 4.87 |   | 4.87 |   | 4.88 |   | 5.13 |   | 5.13 |   | 5.50 |   | 6.11 |   |
| 483                       |   | 6.73             |       | 7.10 |   | 4.22 |   | 4.82 |   | 4.76 |   | 4.94 |   | 4.88 |   | 5.13 |   | 5.43 |   | 5.43 |   | 5.81 |   | 6.48 |   |
| 484                       |   | 6.48             |       | 6.92 |   | 4.02 |   | 4.87 |   | 4.81 |   | 4.76 |   | 4.87 |   | 4.94 |   | 5.13 |   | 5.19 |   | 5.56 |   | 6.24 |   |
| 485                       |   | 6.11             |       | 6.48 |   | 3.62 |   | 4.41 |   | 4.35 |   | 4.61 |   | 4.54 |   | 4.81 |   | 4.82 |   | 4.76 |   | 5.19 |   | 5.81 |   |
| 486                       |   | 6.67             |       | 7.04 |   | 4.08 |   | 4.76 |   | 4.87 |   | 4.88 |   | 4.76 |   | 5.00 |   | 5.31 |   | 5.31 |   | 5.68 |   | 6.36 |   |
| 487                       |   | 6.42             |       | 6.85 |   | 3.89 |   | 4.74 |   | 4.68 |   | 4.69 |   | 4.81 |   | 4.88 |   | 5.13 |   | 5.13 |   | 5.50 |   | 6.18 |   |
| 491                       |   | 6.30             |       | 6.67 |   | 3.69 |   | 4.61 |   | 4.54 |   | 4.74 |   | 4.61 |   | 4.87 |   | 4.94 |   | 4.94 |   | 5.31 |   | 5.99 |   |
| 492                       |   | 6.18             |       | 6.55 |   | 3.62 |   | 4.48 |   | 4.41 |   | 4.61 |   | 4.54 |   | 4.81 |   | 4.82 |   | 4.82 |   | 5.19 |   | 5.87 |   |
| 493                       |   | 6.05             |       | 6.42 |   | 3.56 |   | 4.35 |   | 4.28 |   | 4.54 |   | 4.41 |   | 4.74 |   | 4.76 |   | 4.76 |   | 5.13 |   | 5.81 |   |
| 494                       |   | 5.99             |       | 6.36 |   | 3.56 |   | 4.35 |   | 4.28 |   | 4.48 |   | 4.41 |   | 4.74 |   | 4.76 |   | 4.69 |   | 5.13 |   | 5.74 |   |
| 495                       |   | 6.10             |       | 6.47 |   | 3.56 |   | 4.54 |   | 4.35 |   | 4.61 |   | 4.48 |   | 4.49 |   | 4.80 |   | 4.74 |   | 5.17 |   | 5.85 |   |
| 496                       |   | 6.36             |       | 6.73 |   | 3.82 |   | 4.81 |   | 4.61 |   | 4.87 |   | 4.74 |   | 4.76 |   | 5.06 |   | 5.00 |   | 5.43 |   | 6.11 |   |
| 301                       |   |             |       | 2.20 |   | 4.42 |   | 3.50 |   | 3.63 |   | 3.36 |   | 3.56 |   | 3.36 |   | 3.27 |   | 3.27 |   | 2.94 |   | 1.92 |   |
| 302                       |   | 2.20             |       |   |   | 4.88 |   | 3.89 |   | 4.09 |   | 3.83 |   | 4.09 |   | 3.89 |   | 3.36 |   | 3.30 |   | 3.17 |   | 2.57 |   |
| 336                       |   | 5.14             |       | 5.64 |   | 2.84 |   | 3.69 |   | 3.49 |   | 3.69 |   | 3.36 |   | 3.49 |   | 4.02 |   | 4.22 |   | 4.22 |   | 5.14 |   |
| 341                       |   | 5.45             |       | 5.89 |   | 2.84 |   | 3.69 |   | 3.63 |   | 3.82 |   | 3.76 |   | 4.09 |   | 4.35 |   | 4.35 |   | 4.74 |   | 5.14 |   |
| 342                       |   | 5.21             |       | 5.58 |   | 2.92 |   | 3.43 |   | 3.36 |   | 3.56 |   | 3.49 |   | 3.82 |   | 4.09 |   | 4.02 |   | 4.42 |   | 5.14 |   |
| 343                       |   | 5.14             |       | 5.33 |   | 2.51 |   | 3.17 |   | 3.03 |   | 3.23 |   | 3.17 |   | 3.43 |   | 3.76 |   | 3.76 |   | 4.09 |   | 4.88 |   |
| 345                       |   | 5.01             |       | 5.22 |   | 2.48 |   | 3.44 |   | 3.27 |   | 3.10 |   | 3.44 |   | 3.36 |   | 3.63 |   | 3.63 |   | 4.02 |   | 4.75 |   |
| 346                       |   | 4.75             |       | 5.14 |   | 2.61 |   | 3.19 |   | 3.19 |   | 3.35 |   | 3.44 |   | 3.36 |   | 3.50 |   | 3.36 |   | 3.89 |   | 4.48 |   |
| 347                       |   | 5.33             |       | 5.76 |   | 3.01 |   | 3.56 |   | 3.43 |   | 3.63 |   | 3.56 |   | 3.82 |   | 4.15 |   | 4.22 |   | 4.55 |   | 5.02 |   |
| 349                       |   | 5.08             |       | 5.40 |   | 3.23 |   | 3.36 |   | 3.50 |   | 3.56 |   | 3.76 |   | 4.02 |   | 4.02 |   | 3.83 |   | 4.42 |   | 4.88 |   |
| 351                       |   | 5.14             |       | 5.33 |   | 2.43 |   | 3.17 |   | 2.97 |   | 3.23 |   | 3.10 |   | 3.36 |   | 3.69 |   | 3.76 |   | 4.09 |   | 4.81 |   |
| 352                       |   | 4.68             |       | 5.02 |   | 2.12 |   | 3.17 |   | 3.01 |   | 2.90 |   | 3.17 |   | 3.03 |   | 3.36 |   | 3.43 |   | 3.76 |   | 4.48 |   |
| 353                       |   | 5.51             |       | 5.95 |   | 2.84 |   | 3.82 |   | 3.63 |   | 3.89 |   | 3.69 |   | 3.95 |   | 4.35 |   | 4.42 |   | 4.68 |   | 5.27 |   |
| 381                       |   | 4.15             |       | 4.61 |   |   |   | 2.43 |   | 2.31 |   | 2.51 |   | 2.35 |   | 2.68 |   | 3.09 |   | 3.17 |   | 3.03 |   | 3.89 |   |
| 382                       |   | 3.50             |       | 3.89 |   | 2.69 |   |   |   | 1.83 |   | 1.74 |   | 2.11 |   | 2.39 |   | 2.39 |   | 2.39 |   | 2.78 |   | 3.17 |   |
| 383                       |   | 3.36             |       | 3.82 |   | 2.31 |   | 1.56 |   |   |   | 1.56 |   | 1.56 |   | 1.93 |   | 2.21 |   | 2.31 |   | 2.59 |   | 3.10 |   |
| 384                       |   | 3.10             |       | 3.56 |   | 2.51 |   | 1.47 |   | 1.56 |   |   |   | 1.75 |   | 1.93 |   | 1.93 |   | 1.93 |   | 2.35 |   | 2.84 |   |
| 385                       |   | 3.30             |       | 3.82 |   | 2.35 |   | 1.84 |   | 1.56 |   | 1.75 |   |   |   | 1.56 |   | 2.12 |   | 2.26 |   | 2.43 |   | 3.03 |   |
| 388                       |   | 3.10             |       | 3.63 |   | 2.68 |   | 2.12 |   | 1.93 |   | 1.93 |   | 1.56 |   |   |   | 1.93 |   | 2.26 |   | 2.21 |   | 2.84 |   |
| 390                       |   | 3.27             |       | 3.36 |   | 3.35 |   | 2.39 |   | 2.48 |   | 2.20 |   | 2.39 |   | 2.20 |   |   |   | 1.92 |   | 2.01 |   | 2.86 |   |
| 391                       |   | 3.27             |       | 3.30 |   | 3.44 |   | 2.39 |   | 2.57 |   | 2.20 |   | 2.53 |   | 2.53 |   | 1.92 |   |   |   | 2.39 |   | 2.86 |   |
| 394                       |   | 2.94             |       | 3.17 |   | 3.30 |   | 2.78 |   | 2.86 |   | 2.61 |   | 2.69 |   | 2.48 |   | 2.01 |   | 2.39 |   |   |   | 2.53 |   |
| 395                       |   | 1.92             |       | 2.57 |   | 4.15 |   | 3.17 |   | 3.36 |   | 3.10 |   | 3.30 |   | 3.10 |   | 2.86 |   | 2.86 |   | 2.53 |   |   |   |
| 411                       |   | 4.29             |       | 3.90 |   | 6.00 |   | 5.28 |   | 5.61 |   | 5.34 |   | 5.67 |   | 5.67 |   | 5.15 |   | 4.88 |   | 5.15 |   | 4.42 |   |
| 413                       |   | 5.61             |       | 5.15 |   | 7.42 |   | 6.56 |   | 6.80 |   | 6.56 |   | 6.87 |   | 6.80 |   | 6.31 |   | 6.12 |   | 6.31 |   | 5.80 |   |
| 415                       |   | 6.12             |       | 5.93 |   | 7.96 |   | 7.48 |   | 7.79 |   | 7.55 |   | 7.79 |   | 7.73 |   | 7.24 |   | 7.05 |   | 7.17 |   | 6.37 |   |
| 416                       |   | 3.83             |       | 3.64 |   | 6.37 |   | 5.67 |   | 5.93 |   | 5.61 |   | 5.87 |   | 5.74 |   | 5.21 |   | 5.08 |   | 5.01 |   | 4.16 |   |

 

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| 421 |   | 4.62 |   | 4.09 |   | 7.11 |   | 6.19 |   | 6.37 |   | 6.12 |   | 6.37 |   | 6.25 |   | 5.75 |   | 5.87 |   | 5.80 |   | 4.88 |   |
|-----|--------|------|--------|------|--------|------|--------|------|--------|------|--------|------|--------|------|--------|------|--------|------|--------|------|--------|------|--------|------|--------|
| 423 |   | 4.68 |   | 4.29 |   | 7.36 |   | 6.43 |   | 6.56 |   | 6.31 |   | 6.50 |   | 6.37 |   | 5.88 |   | 5.82 |   | 5.87 |   | 5.01 |   |
| 424 |   | 5.41 |   | 4.88 |   | 7.79 |   | 6.87 |   | 7.11 |   | 6.87 |   | 7.05 |   | 7.05 |   | 6.43 |   | 6.31 |   | 6.31 |   | 5.67 |   |
| 426 |   | 4.36 |   | 3.83 |   | 6.93 |   | 6.00 |   | 6.19 |   | 5.94 |   | 6.19 |   | 6.00 |   | 5.74 |   | 5.67 |   | 5.61 |   | 4.68 |   |
| 427 |   | 6.99 |   | 6.62 |   | 8.02 |   | 7.73 |   | 7.98 |   | 7.79 |   | 8.16 |   | 8.16 |   | 7.67 |   | 7.36 |   | 7.73 |   | 7.11 |   |
| 498 |   | 6.36 |   | 6.73 |   | 3.82 |   | 4.81 |   | 4.61 |   | 4.87 |   | 4.74 |   | 4.76 |   | 5.06 |   | 5.00 |   | 5.43 |   | 6.11 |   |
| 499 |   | 6.10 |   | 6.47 |   | 3.56 |   | 4.54 |   | 4.35 |   | 4.61 |   | 4.48 |   | 4.49 |   | 4.80 |   | 4.74 |   | 5.17 |   | 5.85 |   |
| 811 |   | 6.85 |   | 6.79 |   | 4.48 |   | 5.00 |   | 4.94 |   | 5.13 |   | 5.13 |   | 5.37 |   | 5.62 |   | 5.56 |   | 5.99 |   | 6.61 |   |
| 812 |   | 6.42 |   | 6.79 |   | 4.10 |   | 4.63 |   | 4.57 |   | 4.69 |   | 4.69 |   | 5.00 |   | 5.19 |   | 5.13 |   | 5.56 |   | 6.18 |   |
| 813 |   | 6.42 |   | 6.79 |   | 4.10 |   | 4.63 |   | 4.57 |   | 4.69 |   | 4.69 |   | 5.00 |   | 5.19 |   | 5.13 |   | 5.56 |   | 6.18 |   |
| 814 |   | 6.56 |   | 6.87 |   | 4.28 |   | 4.94 |   | 4.94 |   | 5.14 |   | 5.14 |   | 5.14 |   | 5.33 |   | 5.27 |   | 5.76 |   | 6.26 |   |
| 815 |   | 6.64 |   | 6.89 |   | 4.81 |   | 5.21 |   | 5.27 |   | 5.40 |   | 5.22 |   | 5.53 |   | 5.59 |   | 5.41 |   | 5.97 |   | 6.40 |   |
| 816 |   | 6.67 |   | 6.92 |   | 4.22 |   | 4.76 |   | 4.76 |   | 4.88 |   | 4.88 |   | 5.13 |   | 5.37 |   | 5.31 |   | 5.74 |   | 6.36 |   |
| 817 |   | 6.05 |   | 6.36 |   | 3.62 |   | 4.35 |   | 4.35 |   | 4.54 |   | 4.48 |   | 4.81 |   | 4.76 |   | 4.69 |   | 5.13 |   | 5.74 |   |
| 818 |   | 6.34 |   | 6.64 |   | 4.15 |   | 4.75 |   | 4.81 |   | 4.94 |   | 5.01 |   | 5.27 |   | 5.40 |   | 5.27 |   | 5.53 |   | 6.09 |   |
| 820 |   | 6.11 |   | 6.48 |   | 3.76 |   | 4.48 |   | 4.48 |   | 4.68 |   | 4.61 |   | 4.69 |   | 4.94 |   | 4.82 |   | 5.25 |   | 5.87 |   |
| 821 |   | 5.78 |   | 6.15 |   | 3.43 |   | 4.09 |   | 4.09 |   | 4.22 |   | 4.29 |   | 4.55 |   | 4.75 |   | 4.68 |   | 5.21 |   | 5.53 |   |
| 831 |   | 5.87 |   | 6.24 |   | 3.36 |   | 4.22 |   | 4.08 |   | 4.35 |   | 4.22 |   | 4.48 |   | 4.81 |   | 4.81 |   | 4.94 |   | 5.62 |   |
| 833 |   | 5.60 |   | 6.04 |   | 3.07 |   | 3.92 |   | 3.86 |   | 4.05 |   | 3.99 |   | 4.25 |   | 4.58 |   | 4.51 |   | 4.91 |   | 5.36 |   |
| 834 |   | 5.87 |   | 6.30 |   | 3.29 |   | 4.22 |   | 4.08 |   | 4.28 |   | 4.22 |   | 4.48 |   | 4.81 |   | 4.81 |   | 4.94 |   | 5.62 |   |
| 835 |   | 5.68 |   | 6.05 |   | 3.03 |   | 3.95 |   | 3.82 |   | 4.08 |   | 3.95 |   | 4.28 |   | 4.54 |   | 4.54 |   | 4.69 |   | 5.37 |   |
| 836 |   | 5.56 |   | 5.99 |   | 3.03 |   | 3.82 |   | 3.76 |   | 3.95 |   | 3.89 |   | 4.22 |   | 4.48 |   | 4.48 |   | 4.87 |   | 5.31 |   |
| 841 |   | 5.93 |   | 6.36 |   | 3.36 |   | 4.28 |   | 4.08 |   | 4.41 |   | 4.22 |   | 4.48 |   | 4.87 |   | 4.87 |   | 5.25 |   | 5.68 |   |
| 842 |   | 5.68 |   | 6.05 |   | 3.03 |   | 3.95 |   | 3.82 |   | 4.02 |   | 3.95 |   | 4.22 |   | 4.54 |   | 4.54 |   | 4.87 |   | 5.37 |   |
| 843 |   | 5.50 |   | 5.93 |   | 2.90 |   | 3.82 |   | 3.69 |   | 3.89 |   | 3.82 |   | 4.08 |   | 4.41 |   | 4.41 |   | 4.81 |   | 5.25 |   |
| 844 |   | 6.36 |   | 6.79 |   | 3.69 |   | 4.61 |   | 4.48 |   | 4.74 |   | 4.54 |   | 4.81 |   | 4.94 |   | 5.06 |   | 5.31 |   | 6.05 |   |
| 845 |   | 5.99 |   | 6.42 |   | 3.36 |   | 4.28 |   | 4.15 |   | 4.35 |   | 4.22 |   | 4.48 |   | 4.87 |   | 4.69 |   | 4.94 |   | 5.68 |   |
| 846 |   | 5.56 |   | 5.99 |   | 2.90 |   | 3.82 |   | 3.69 |   | 3.95 |   | 3.82 |   | 4.08 |   | 4.41 |   | 4.48 |   | 4.81 |   | 5.31 |   |
| 847 |   | 6.48 |   | 6.92 |   | 3.89 |   | 4.87 |   | 4.68 |   | 4.69 |   | 4.74 |   | 4.76 |   | 5.13 |   | 5.19 |   | 5.43 |   | 6.18 |   |
| 848 |   | 5.56 |   | 5.99 |   | 2.90 |   | 3.82 |   | 3.69 |   | 3.95 |   | 3.82 |   | 4.08 |   | 4.41 |   | 4.48 |   | 4.81 |   | 5.31 |   |
| 851 |   | 6.18 |   | 6.61 |   | 3.56 |   | 4.54 |   | 4.35 |   | 4.61 |   | 4.41 |   | 4.61 |   | 4.82 |   | 4.88 |   | 5.13 |   | 5.87 |   |
| 855 |   | 5.50 |   | 5.93 |   | 2.90 |   | 3.82 |   | 3.69 |   | 3.89 |   | 3.82 |   | 4.08 |   | 4.41 |   | 4.41 |   | 4.81 |   | 5.25 |   |
| 861 |   | 6.98 |   | 7.02 |   | 4.41 |   | 5.13 |   | 4.94 |   | 5.19 |   | 5.00 |   | 5.25 |   | 5.62 |   | 5.68 |   | 5.93 |   | 6.73 |   |
| 862 |   | 6.98 |   | 7.02 |   | 4.41 |   | 5.13 |   | 4.94 |   | 5.19 |   | 5.00 |   | 5.25 |   | 5.62 |   | 5.68 |   | 5.93 |   | 6.73 |   |
| 863 |   | 6.79 |   | 6.79 |   | 4.15 |   | 4.88 |   | 4.69 |   | 4.94 |   | 4.82 |   | 5.00 |   | 5.50 |   | 5.50 |   | 5.74 |   | 6.48 |   |
| 865 |   | 6.79 |   | 6.79 |   | 4.22 |   | 4.88 |   | 4.69 |   | 5.00 |   | 4.76 |   | 5.00 |   | 5.37 |   | 5.50 |   | 5.68 |   | 6.48 |   |
| 866 |   | 6.79 |   | 6.85 |   | 4.22 |   | 4.94 |   | 4.76 |   | 5.00 |   | 4.76 |   | 4.94 |   | 5.50 |   | 5.50 |   | 5.68 |   | 6.48 |   |
| 867 |   | 6.67 |   | 6.73 |   | 4.15 |   | 4.88 |   | 4.69 |   | 4.94 |   | 4.69 |   | 4.88 |   | 5.31 |   | 5.43 |   | 5.62 |   | 6.42 |   |
| 871 |   | 6.61 |   | 7.10 |   | 4.02 |   | 4.82 |   | 4.87 |   | 4.88 |   | 4.87 |   | 4.82 |   | 5.25 |   | 5.37 |   | 5.50 |   | 6.36 |   |
| 872 |   | 6.55 |   | 6.98 |   | 3.95 |   | 4.69 |   | 4.74 |   | 4.76 |   | 4.74 |   | 4.69 |   | 5.13 |   | 5.25 |   | 5.37 |   | 6.24 |   |
| 873 |   | 6.67 |   | 6.73 |   | 4.08 |   | 4.82 |   | 4.87 |   | 4.88 |   | 4.69 |   | 4.88 |   | 5.31 |   | 5.43 |   | 5.56 |   | 6.42 |   |
| 877 |   | 6.92 |   | 6.90 |   | 4.35 |   | 5.06 |   | 4.88 |   | 5.13 |   | 4.94 |   | 5.13 |   | 5.56 |   | 5.62 |   | 5.87 |   | 6.61 |   |
| 878 |   | 6.85 |   | 6.85 |   | 4.28 |   | 4.94 |   | 4.82 |   | 5.06 |   | 4.82 |   | 5.06 |   | 5.43 |   | 5.62 |   | 5.74 |   | 6.55 |   |
| 879 |   | 6.79 |   | 6.79 |   | 4.22 |   | 4.88 |   | 4.69 |   | 5.00 |   | 4.76 |   | 5.00 |   | 5.37 |   | 5.50 |   | 5.68 |   | 6.48 |   |

 
| Rostelecom:                         |   | Operator:                   |
|-------------------------------------|--------|-----------------------------|
|                                |   |                        |
| General Director                    |   | General Director            |
| OAO Rostelecom                      |   | OAO Sibirtelecom:           |
|                                |   |                        |
| /signed/   D.Ye. Yerokhin |   | /signed/  A.I. Nikulin |
|                                |   |                        |
| March 09, 2006                 |   | March 09, 2006         |
| Seal here                           |   | Seal here                   |

 

----

**AppendixNo. 2to Additional Agreement No.3dt. March 09, 2006**

**Services Report.Under Contract No.**                 dt.for                                    month                    

This Report is drawn up between Rostelecom. OpenJoint-Stock Company for Long-Distance and International Telecommunications.hereinafter. “Rostelecom”. represented by                                                        authorizedto act by Power of attorney No.                              dt.                                                                                              on the one part. and                                      represented by                                            ,acting on the ground of                                                                    ,hereinafter altogether referred to as the “Parties”. confirming the followingservices rendered by Rostelecom:
| **Ref. No.** | ** ** | **Description of the service**                              | ** ** | **Measurement  unit** | ** ** | **Number** | ** ** | **Service Cost w/o VAT. rubles** | ** ** | **including VAT. rubles** | ** ** | **counting  с  including VAT. rubles** |
|--------------|------------|-------------------------------------------------------------|------------|-----------------------|------------|------------|------------|----------------------------------|------------|---------------------------|------------|----------------------------------------------|
| **1**        | ** ** | **2**                                                       | ** ** | **3**                 | ** ** | **4**      | ** ** | **5**                            | ** ** | **6**                     | ** ** | **7**                                        |
| 1            |       | Long-distance  end of call in other operator’s network |       |                  |       |       |       |                             |       |                      |       |                                         |
| 2            |       |                                                        |       |                  |       |       |       |                             |       |                      |       |                                         |
| Total        |       |                                                        |       |                  |       |       |       |                             |       |                      |       |                                         |

** **

**The rendered services cost aggregated                      including VAT                       .**
| Rostelecom:                         |   | Operator:                   |
|-------------------------------------|--------|-----------------------------|
|                                |   |                        |
|                                |   |                        |
| General Director                    |   | General Director            |
| OAO Rostelecom                      |   | OAO Sibirtelecom:           |
|                                |   |                        |
|                                |   |                        |
| /signed/   D.Ye. Yerokhin |   | /signed/  A.I. Nikulin |
|                                |   |                        |
| March 09, 2006                 |   | March 09, 2006         |
| Seal here                           |   | Seal here                   |

 

----