Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000006374 | Core Fixed Income Portfolio | ||
| Class/Contract C000017529 | Core Fixed Income Portfolio | GTCGX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000006378 | Quantitative International Equity Portfolio | ||
| Class/Contract C000017533 | Quantitative International Equity Portfolio | GTCIX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000006379 | Quantitative U.S. Large Cap Core Equity Portfolio | ||
| Class/Contract C000017534 | Quantitative U.S. Large Cap Core Equity Portfolio - Advisor Shares | GTLOX | |
| Class/Contract C000158301 | Quantitative U.S. Large Cap Core Equity Portfolio - Institutional Shares | GTLIX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000006380 | Quantitative U.S. Large Cap Growth Equity Portfolio | ||
| Class/Contract C000017535 | Quantitative U.S. Large Cap Growth Equity Portfolio - Advisor Shares | GTLLX | |
| Class/Contract C000158302 | Quantitative U.S. Large Cap Growth Equity Portfolio - Institutional Shares | GTILX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000006383 | Small Cap Equity Portfolio | ||
| Class/Contract C000017538 | Advisor | GTCSX | |
| Class/Contract C000017539 | Institutional | GTSCX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000006384 | Strategic Equity Portfolio | ||
| Class/Contract C000017540 | Strategic Equity Portfolio | GTCEX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000013337 | Quantitative U.S. Long/Short Equity Portfolio | ||
| Class/Contract C000035926 | Quantitative U.S. Long/Short Equity Portfolio | GTAPX | |
| Class/Contract C000211480 | Institutional Shares | GTLSX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000013338 | Quantitative U.S. Total Market Equity Portfolio | ||
| Class/Contract C000035927 | Quantitative U.S. Total Market Equity Portfolio | GTTMX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000029397 | Secured Options Portfolio | ||
| Class/Contract C000090298 | Secured Options Portfolio - Advisor Shares | GTSOX | |
| Class/Contract C000173616 | Secured Options Portfolio - Institutional Shares | GLSOX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000038394 | Global Secured Options Portfolio | ||
| Class/Contract C000118430 | Global Secured Options Portfolio | NOVIX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000052157 | High Yield Municipal Portfolio | ||
| Class/Contract C000164150 | High Yield Municipal Portfolio | GHYMX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000052158 | Responsible ESG U.S. Equity Portfolio | ||
| Class/Contract C000164151 | Responsible ESG U.S. Equity Portfolio | RESGX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000052159 | Women in Leadership U.S. Equity Portfolio | ||
| Class/Contract C000164152 | Women in Leadership U.S. Equity Portfolio | GWILX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000054430 | Short Term Tax Aware Fixed Income Portfolio | ||
| Class/Contract C000170952 | Short Term Tax Aware Fixed Income Portfolio | GTAWX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000055943 | Equity Income Portfolio | ||
| Class/Contract C000176162 | Equity Income Portfolio | ||
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000059607 | Quantitative U.S. Large Cap Value Equity Portfolio | ||
| Class/Contract C000195215 | Quantitative U.S. Large Cap Value Equity Portfolio | GQLVX | |
| Status | Name | Ticker Symbol | |
| CIK 0000835663 | |||
| Series S000059608 | Quantitative U.S. Small Cap Equity Portfolio | ||
| Class/Contract C000195216 | Quantitative U.S. Small Cap Equity Portfolio | GQSCX | |
IRS No.: 000000000 | State of Incorp.: MD | Fiscal Year End: 1031
Type: N-CSR | Act: 40 | File No.: 811-05577 | Film No.: 231517094
