| Date | Development |
| August 01, 2012 | The Secretary-General registers a request for the institution of arbitration proceedings. |
| October 15, 2012 | Following appointment by the Claimant, Francisco Orrego Vicua (Chilean) accepts his appointment as arbitrator. |
| October 31, 2012 | The Claimant files a request for the Chairman of the Administrative Council to appoint the arbitrators not yet appointed pursuant to Article 6(4) of the ICSID Arbitration (Additional Facility) Rules. |
| November 12, 2012 | Following appointment by the Respondent, Brunno Simma (German/Austrian) accepts his appointment as arbitrator. |
| January 04, 2013 | The Tribunal is constituted in accordance with Article 6(3) of the ICSID Arbitration (Additional Facility) Rules. Its members are: Juan Fernndez Armesto (Spanish), President, appointed by agreement of the parties; Francisco Orrego Vicua (Chilean), appointed by the Claimant; and Bruno Simma (German/Austrian), appointed by the Respondent. |
| January 04, 2013 | Following appointment by the parties, Juan Fernndez Armesto (Spanish) accepts his appointment as presiding arbitrator. |
| February 08, 2013 | The Tribunal holds a first session by telephone conference. |
| March 20, 2013 | Rusoro Files a Statement of Claim against the Bolivarian Republic of Venezuela. Based on a March 15, 2013 valuation performed by an independent expert, Rusoro seeks compensation for all of its losses caused by Venezuela's breaches of the Bilateral Investment Treaty in the amount of US$ 3.03 billion. |
| March 28, 2013 | The Respondent files a proposal for disqualification of arbitrator Francisco Orrego Vicua. |
| April 18, 2013 | The Claimant files observations on the proposal for disqualification. |
| April 24, 2013 | The Respondent files a request to address the objections to jurisdiction as a preliminary question. |
| April 29, 2013 | The arbitrator furnishes explanations regarding the proposal for disqualification in accordance with ICSID Arbitration (Additional Facility) Rule 15(4). |
| May 13, 2013 | The parties file simultaneous observations on the proposal for disqualification. |
| May 15, 2013 | The Claimant files observations on the request to address the objections to jurisdiction as a preliminary question. |
| June 14, 2013 | The proposal for disqualification of arbitrator Francisco Orrego Vicua is declined. The proceeding is resumed pursuant to ICSID Arbitration (Additional Facility) Rule 15(7). |
| July 16, 2013 | The Tribunal issues a decision on the Respondent's request to address the objections to jurisdiction as a preliminary question. |
| January 30, 2014 | The Respondent files a counter-memorial on jurisdiction and the merits. |
| May 01, 2014 | The Tribunal issues Procedural Order No. 2 concerning production of documents. |
| June 12, 2014 | The Claimant files a reply on jurisdiction and the merits. |
| June 30, 2014 | The Tribunal issues Procedural Order No. 3 concerning production of documents. |
| July 08, 2014 | The Tribunal issues Procedural Order No. 4 concerning production of documents. |
| July 15, 2014 | The Claimant files a request for the Tribunal to decide on the admissibility of new evidence. |
| July 21, 2014 | The Respondent files observations on the Claimant's request of July 15, 2014. |
| July 23, 2014 | The Claimant files a response to the Respondent's observations of July 21, 2014. |
| July 28, 2014 | The Respondent files further observations on the Claimant's response of July 23, 2014. |
| September 15, 2014 | The Tribunal issues a decision on the admissibility of new evidence. |
| October 13, 2014 | The Respondent files a rejoinder on jurisdiction and the merits. |
| November 12, 2014 | Following exchanges between the parties, the Tribunal issues a decision on admissibility of evidence and hearing dates. |
| November 26, 2014 | The Tribunal issues Procedural Order No. 4A concerning procedural matters. |
| December 04, 2014 | Following exchanges between the parties, the Tribunal issues Procedural Order No. 5 concerning production of documents, admissibility of evidence and procedural matters. |
| December 7 - 12, 2014 | The Tribunal holds a hearing on jurisdiction and the merits in Washington, D.C. |
| January 28, 2015 | Following exchanges between the parties, the Tribunal issues Procedural Order No. 6 concerning production of documents and admissibility of evidence. |
| February 1 - 4, 2015 | The Tribunal holds the continuation of a hearing on jurisdiction and the merits in Washington, D.C. |
| March 12, 2015 | Following exchanges between the Parties, the Tribunal issues Procedural Order No. 7 concerning the admissibility of new evidence. |
| May 5, 2015 | Following exchanges between the Parties, the Tribunal issues Procedural Order No. 8 concerning the admissibility of new evidence. |
| June 03, 2015 | Each party files a post-hearing brief. |
| July 01, 2015 | Each party files a statement of costs. |
| June 29, 2016 | The Tribunal declares the proceeding closed in accordance with Article 44(1) of the ICSID Arbitration (Additional Facility) Rules. |
| August 22, 2016 | The Tribunal renders its award. |